Home / 903,282.75-1,246,414.90-516,123.25

Finding the Fourth Proportional to 903,282.75, 1,246,414.90 and 516,123.25

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Solution

The fourth proportional to 903,282.75, 1,246,414.90 and 516,123.25 is: 712,184.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,282.75 : 1,246,414.90 = 516,123.25 : x
  2. Step 2: Convert to fraction form
    903,282.75/1,246,414.90 = 516,123.25/x
  3. Step 3: Cross multiply
    903,282.75x = 1,246,414.90 × 516,123.25
  4. Step 4: Simplify right side
    903,282.75x = 643,303,709,036.43
  5. Step 5: Solve for x
    x = 643,303,709,036.43/903,282.75
  6. Step 6: Final answer
    x = 712,184.21

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.