Home / 584,148.60-806,130.90-342,574.20

Finding the Fourth Proportional to 584,148.60, 806,130.90 and 342,574.20

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Solution

The fourth proportional to 584,148.60, 806,130.90 and 342,574.20 is: 472,755.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    584,148.60 : 806,130.90 = 342,574.20 : x
  2. Step 2: Convert to fraction form
    584,148.60/806,130.90 = 342,574.20/x
  3. Step 3: Cross multiply
    584,148.60x = 806,130.90 × 342,574.20
  4. Step 4: Simplify right side
    584,148.60x = 276,159,648,162.78
  5. Step 5: Solve for x
    x = 276,159,648,162.78/584,148.60
  6. Step 6: Final answer
    x = 472,755.82

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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.