Home / 824,585.04-1,138,275.72-538,350.48

Finding the Fourth Proportional to 824,585.04, 1,138,275.72 and 538,350.48

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Solution

The fourth proportional to 824,585.04, 1,138,275.72 and 538,350.48 is: 743,151.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    824,585.04 : 1,138,275.72 = 538,350.48 : x
  2. Step 2: Convert to fraction form
    824,585.04/1,138,275.72 = 538,350.48/x
  3. Step 3: Cross multiply
    824,585.04x = 1,138,275.72 × 538,350.48
  4. Step 4: Simplify right side
    824,585.04x = 612,791,280,234.35
  5. Step 5: Solve for x
    x = 612,791,280,234.35/824,585.04
  6. Step 6: Final answer
    x = 743,151.10

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Double scale
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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.