Home / 730,521.33-1,008,100.64-408,234.08

Finding the Fourth Proportional to 730,521.33, 1,008,100.64 and 408,234.08

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Solution

The fourth proportional to 730,521.33, 1,008,100.64 and 408,234.08 is: 563,352.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,521.33 : 1,008,100.64 = 408,234.08 : x
  2. Step 2: Convert to fraction form
    730,521.33/1,008,100.64 = 408,234.08/x
  3. Step 3: Cross multiply
    730,521.33x = 1,008,100.64 × 408,234.08
  4. Step 4: Simplify right side
    730,521.33x = 411,541,030,236.14
  5. Step 5: Solve for x
    x = 411,541,030,236.14/730,521.33
  6. Step 6: Final answer
    x = 563,352.52

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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.