Home / 875,338.52-1,207,967.40-472,930.52

Finding the Fourth Proportional to 875,338.52, 1,207,967.40 and 472,930.52

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Solution

The fourth proportional to 875,338.52, 1,207,967.40 and 472,930.52 is: 652,644.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,338.52 : 1,207,967.40 = 472,930.52 : x
  2. Step 2: Convert to fraction form
    875,338.52/1,207,967.40 = 472,930.52/x
  3. Step 3: Cross multiply
    875,338.52x = 1,207,967.40 × 472,930.52
  4. Step 4: Simplify right side
    875,338.52x = 571,284,650,625.05
  5. Step 5: Solve for x
    x = 571,284,650,625.05/875,338.52
  6. Step 6: Final answer
    x = 652,644.25

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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.