Home / 730,519.03-1,008,211.71-408,296.17

Finding the Fourth Proportional to 730,519.03, 1,008,211.71 and 408,296.17

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Solution

The fourth proportional to 730,519.03, 1,008,211.71 and 408,296.17 is: 563,502.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,519.03 : 1,008,211.71 = 408,296.17 : x
  2. Step 2: Convert to fraction form
    730,519.03/1,008,211.71 = 408,296.17/x
  3. Step 3: Cross multiply
    730,519.03x = 1,008,211.71 × 408,296.17
  4. Step 4: Simplify right side
    730,519.03x = 411,648,979,742.15
  5. Step 5: Solve for x
    x = 411,648,979,742.15/730,519.03
  6. Step 6: Final answer
    x = 563,502.06

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Double scale
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Similar ratio
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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.