Home / 767,335.62-1,151,335.08-411,934.62

Finding the Fourth Proportional to 767,335.62, 1,151,335.08 and 411,934.62

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Solution

The fourth proportional to 767,335.62, 1,151,335.08 and 411,934.62 is: 618,079.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    767,335.62 : 1,151,335.08 = 411,934.62 : x
  2. Step 2: Convert to fraction form
    767,335.62/1,151,335.08 = 411,934.62/x
  3. Step 3: Cross multiply
    767,335.62x = 1,151,335.08 × 411,934.62
  4. Step 4: Simplify right side
    767,335.62x = 474,274,778,672.47
  5. Step 5: Solve for x
    x = 474,274,778,672.47/767,335.62
  6. Step 6: Final answer
    x = 618,079.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.