Home / 669,836.88-924,146.28-415,095.12

Finding the Fourth Proportional to 669,836.88, 924,146.28 and 415,095.12

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Solution

The fourth proportional to 669,836.88, 924,146.28 and 415,095.12 is: 572,689.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    669,836.88 : 924,146.28 = 415,095.12 : x
  2. Step 2: Convert to fraction form
    669,836.88/924,146.28 = 415,095.12/x
  3. Step 3: Cross multiply
    669,836.88x = 924,146.28 × 415,095.12
  4. Step 4: Simplify right side
    669,836.88x = 383,608,610,994.15
  5. Step 5: Solve for x
    x = 383,608,610,994.15/669,836.88
  6. Step 6: Final answer
    x = 572,689.59

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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.