Home / 1,007,022.38-1,510,533.56-342,174.38

Finding the Fourth Proportional to 1,007,022.38, 1,510,533.56 and 342,174.38

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Solution

The fourth proportional to 1,007,022.38, 1,510,533.56 and 342,174.38 is: 513,261.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,022.38 : 1,510,533.56 = 342,174.38 : x
  2. Step 2: Convert to fraction form
    1,007,022.38/1,510,533.56 = 342,174.38/x
  3. Step 3: Cross multiply
    1,007,022.38x = 1,510,533.56 × 342,174.38
  4. Step 4: Simplify right side
    1,007,022.38x = 516,865,877,664.96
  5. Step 5: Solve for x
    x = 516,865,877,664.96/1,007,022.38
  6. Step 6: Final answer
    x = 513,261.56

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Half scale
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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.