Home / 959,768.70-1,440,149.85-391,566.30

Finding the Fourth Proportional to 959,768.70, 1,440,149.85 and 391,566.30

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Solution

The fourth proportional to 959,768.70, 1,440,149.85 and 391,566.30 is: 587,552.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    959,768.70 : 1,440,149.85 = 391,566.30 : x
  2. Step 2: Convert to fraction form
    959,768.70/1,440,149.85 = 391,566.30/x
  3. Step 3: Cross multiply
    959,768.70x = 1,440,149.85 × 391,566.30
  4. Step 4: Simplify right side
    959,768.70x = 563,914,148,210.06
  5. Step 5: Solve for x
    x = 563,914,148,210.06/959,768.70
  6. Step 6: Final answer
    x = 587,552.13

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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.