Home / 631,326.52-870,972.64-466,150.35

Finding the Fourth Proportional to 631,326.52, 870,972.64 and 466,150.35

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Solution

The fourth proportional to 631,326.52, 870,972.64 and 466,150.35 is: 643,097.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    631,326.52 : 870,972.64 = 466,150.35 : x
  2. Step 2: Convert to fraction form
    631,326.52/870,972.64 = 466,150.35/x
  3. Step 3: Cross multiply
    631,326.52x = 870,972.64 × 466,150.35
  4. Step 4: Simplify right side
    631,326.52x = 406,004,200,976.42
  5. Step 5: Solve for x
    x = 406,004,200,976.42/631,326.52
  6. Step 6: Final answer
    x = 643,097.02

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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.