Home / 585,038.20-877,557.30-545,672.20

Finding the Fourth Proportional to 585,038.20, 877,557.30 and 545,672.20

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Solution

The fourth proportional to 585,038.20, 877,557.30 and 545,672.20 is: 818,508.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    585,038.20 : 877,557.30 = 545,672.20 : x
  2. Step 2: Convert to fraction form
    585,038.20/877,557.30 = 545,672.20/x
  3. Step 3: Cross multiply
    585,038.20x = 877,557.30 × 545,672.20
  4. Step 4: Simplify right side
    585,038.20x = 478,858,622,517.06
  5. Step 5: Solve for x
    x = 478,858,622,517.06/585,038.20
  6. Step 6: Final answer
    x = 818,508.30

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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 (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.