Home / 631,325.52-870,971.27-466,149.35

Finding the Fourth Proportional to 631,325.52, 870,971.27 and 466,149.35

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Solution

The fourth proportional to 631,325.52, 870,971.27 and 466,149.35 is: 643,095.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,325.52 : 870,971.27 = 466,149.35 : x
  2. Step 2: Convert to fraction form
    631,325.52/870,971.27 = 466,149.35/x
  3. Step 3: Cross multiply
    631,325.52x = 870,971.27 × 466,149.35
  4. Step 4: Simplify right side
    631,325.52x = 406,002,684,693.57
  5. Step 5: Solve for x
    x = 406,002,684,693.57/631,325.52
  6. Step 6: Final answer
    x = 643,095.63

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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.