Home / 684,013.52-943,936.68-382,207.76

Finding the Fourth Proportional to 684,013.52, 943,936.68 and 382,207.76

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Solution

The fourth proportional to 684,013.52, 943,936.68 and 382,207.76 is: 527,445.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,013.52 : 943,936.68 = 382,207.76 : x
  2. Step 2: Convert to fraction form
    684,013.52/943,936.68 = 382,207.76/x
  3. Step 3: Cross multiply
    684,013.52x = 943,936.68 × 382,207.76
  4. Step 4: Simplify right side
    684,013.52x = 360,779,924,044.64
  5. Step 5: Solve for x
    x = 360,779,924,044.64/684,013.52
  6. Step 6: Final answer
    x = 527,445.60

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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.