Home / 641,711.40-962,567.10-610,607.40

Finding the Fourth Proportional to 641,711.40, 962,567.10 and 610,607.40

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Solution

The fourth proportional to 641,711.40, 962,567.10 and 610,607.40 is: 915,911.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,711.40 : 962,567.10 = 610,607.40 : x
  2. Step 2: Convert to fraction form
    641,711.40/962,567.10 = 610,607.40/x
  3. Step 3: Cross multiply
    641,711.40x = 962,567.10 × 610,607.40
  4. Step 4: Simplify right side
    641,711.40x = 587,750,594,256.54
  5. Step 5: Solve for x
    x = 587,750,594,256.54/641,711.40
  6. Step 6: Final answer
    x = 915,911.10

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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.