Home / 930,565.60-1,396,107.60-457,266.40

Finding the Fourth Proportional to 930,565.60, 1,396,107.60 and 457,266.40

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Solution

The fourth proportional to 930,565.60, 1,396,107.60 and 457,266.40 is: 686,026.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,565.60 : 1,396,107.60 = 457,266.40 : x
  2. Step 2: Convert to fraction form
    930,565.60/1,396,107.60 = 457,266.40/x
  3. Step 3: Cross multiply
    930,565.60x = 1,396,107.60 × 457,266.40
  4. Step 4: Simplify right side
    930,565.60x = 638,393,096,264.64
  5. Step 5: Solve for x
    x = 638,393,096,264.64/930,565.60
  6. Step 6: Final answer
    x = 686,026.97

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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.