Home / 753,654.02-1,040,042.30-414,144.14

Finding the Fourth Proportional to 753,654.02, 1,040,042.30 and 414,144.14

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Solution

The fourth proportional to 753,654.02, 1,040,042.30 and 414,144.14 is: 571,518.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,654.02 : 1,040,042.30 = 414,144.14 : x
  2. Step 2: Convert to fraction form
    753,654.02/1,040,042.30 = 414,144.14/x
  3. Step 3: Cross multiply
    753,654.02x = 1,040,042.30 × 414,144.14
  4. Step 4: Simplify right side
    753,654.02x = 430,727,423,897.12
  5. Step 5: Solve for x
    x = 430,727,423,897.12/753,654.02
  6. Step 6: Final answer
    x = 571,518.78

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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.