Home / 729,587.16-1,007,249.10-556,143.48

Finding the Fourth Proportional to 729,587.16, 1,007,249.10 and 556,143.48

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Solution

The fourth proportional to 729,587.16, 1,007,249.10 and 556,143.48 is: 767,797.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,587.16 : 1,007,249.10 = 556,143.48 : x
  2. Step 2: Convert to fraction form
    729,587.16/1,007,249.10 = 556,143.48/x
  3. Step 3: Cross multiply
    729,587.16x = 1,007,249.10 × 556,143.48
  4. Step 4: Simplify right side
    729,587.16x = 560,175,019,700.87
  5. Step 5: Solve for x
    x = 560,175,019,700.87/729,587.16
  6. Step 6: Final answer
    x = 767,797.26

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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.