Home / 716,439.26-988,827.41-410,720.90

Finding the Fourth Proportional to 716,439.26, 988,827.41 and 410,720.90

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Solution

The fourth proportional to 716,439.26, 988,827.41 and 410,720.90 is: 566,875.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,439.26 : 988,827.41 = 410,720.90 : x
  2. Step 2: Convert to fraction form
    716,439.26/988,827.41 = 410,720.90/x
  3. Step 3: Cross multiply
    716,439.26x = 988,827.41 × 410,720.90
  4. Step 4: Simplify right side
    716,439.26x = 406,132,079,862.53
  5. Step 5: Solve for x
    x = 406,132,079,862.53/716,439.26
  6. Step 6: Final answer
    x = 566,875.80

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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.