Home / 959,772.20-1,440,155.10-391,569.80

Finding the Fourth Proportional to 959,772.20, 1,440,155.10 and 391,569.80

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Solution

The fourth proportional to 959,772.20, 1,440,155.10 and 391,569.80 is: 587,557.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,772.20 : 1,440,155.10 = 391,569.80 : x
  2. Step 2: Convert to fraction form
    959,772.20/1,440,155.10 = 391,569.80/x
  3. Step 3: Cross multiply
    959,772.20x = 1,440,155.10 × 391,569.80
  4. Step 4: Simplify right side
    959,772.20x = 563,921,244,475.98
  5. Step 5: Solve for x
    x = 563,921,244,475.98/959,772.20
  6. Step 6: Final answer
    x = 587,557.39

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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.