Home / 730,527.78-1,008,125.39-408,237.80

Finding the Fourth Proportional to 730,527.78, 1,008,125.39 and 408,237.80

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Solution

The fourth proportional to 730,527.78, 1,008,125.39 and 408,237.80 is: 563,366.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    730,527.78 : 1,008,125.39 = 408,237.80 : x
  2. Step 2: Convert to fraction form
    730,527.78/1,008,125.39 = 408,237.80/x
  3. Step 3: Cross multiply
    730,527.78x = 1,008,125.39 × 408,237.80
  4. Step 4: Simplify right side
    730,527.78x = 411,554,887,317.71
  5. Step 5: Solve for x
    x = 411,554,887,317.71/730,527.78
  6. Step 6: Final answer
    x = 563,366.51

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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.