Home / 545,764.62-747,700.96-525,310.58

Finding the Fourth Proportional to 545,764.62, 747,700.96 and 525,310.58

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Solution

The fourth proportional to 545,764.62, 747,700.96 and 525,310.58 is: 719,678.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    545,764.62 : 747,700.96 = 525,310.58 : x
  2. Step 2: Convert to fraction form
    545,764.62/747,700.96 = 525,310.58/x
  3. Step 3: Cross multiply
    545,764.62x = 747,700.96 × 525,310.58
  4. Step 4: Simplify right side
    545,764.62x = 392,775,224,964.16
  5. Step 5: Solve for x
    x = 392,775,224,964.16/545,764.62
  6. Step 6: Final answer
    x = 719,678.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.