Home / 757,543.56-1,045,509.84-527,952.30

Finding the Fourth Proportional to 757,543.56, 1,045,509.84 and 527,952.30

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Solution

The fourth proportional to 757,543.56, 1,045,509.84 and 527,952.30 is: 728,643.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    757,543.56 : 1,045,509.84 = 527,952.30 : x
  2. Step 2: Convert to fraction form
    757,543.56/1,045,509.84 = 527,952.30/x
  3. Step 3: Cross multiply
    757,543.56x = 1,045,509.84 × 527,952.30
  4. Step 4: Simplify right side
    757,543.56x = 551,979,324,700.63
  5. Step 5: Solve for x
    x = 551,979,324,700.63/757,543.56
  6. Step 6: Final answer
    x = 728,643.68

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.