Home / 716,120.01-988,257.66-410,223.15

Finding the Fourth Proportional to 716,120.01, 988,257.66 and 410,223.15

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Solution

The fourth proportional to 716,120.01, 988,257.66 and 410,223.15 is: 566,114.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,120.01 : 988,257.66 = 410,223.15 : x
  2. Step 2: Convert to fraction form
    716,120.01/988,257.66 = 410,223.15/x
  3. Step 3: Cross multiply
    716,120.01x = 988,257.66 × 410,223.15
  4. Step 4: Simplify right side
    716,120.01x = 405,406,170,296.83
  5. Step 5: Solve for x
    x = 405,406,170,296.83/716,120.01
  6. Step 6: Final answer
    x = 566,114.85

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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.