Home / 1,007,036.86-1,510,555.35-342,188.86

Finding the Fourth Proportional to 1,007,036.86, 1,510,555.35 and 342,188.86

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Solution

The fourth proportional to 1,007,036.86, 1,510,555.35 and 342,188.86 is: 513,283.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,007,036.86 : 1,510,555.35 = 342,188.86 : x
  2. Step 2: Convert to fraction form
    1,007,036.86/1,510,555.35 = 342,188.86/x
  3. Step 3: Cross multiply
    1,007,036.86x = 1,510,555.35 × 342,188.86
  4. Step 4: Simplify right side
    1,007,036.86x = 516,895,213,183.40
  5. Step 5: Solve for x
    x = 516,895,213,183.40/1,007,036.86
  6. Step 6: Final answer
    x = 513,283.31

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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.