Home / 766,882.08-1,058,860.62-495,108.72

Finding the Fourth Proportional to 766,882.08, 1,058,860.62 and 495,108.72

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Solution

The fourth proportional to 766,882.08, 1,058,860.62 and 495,108.72 is: 683,613.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,882.08 : 1,058,860.62 = 495,108.72 : x
  2. Step 2: Convert to fraction form
    766,882.08/1,058,860.62 = 495,108.72/x
  3. Step 3: Cross multiply
    766,882.08x = 1,058,860.62 × 495,108.72
  4. Step 4: Simplify right side
    766,882.08x = 524,251,126,226.61
  5. Step 5: Solve for x
    x = 524,251,126,226.61/766,882.08
  6. Step 6: Final answer
    x = 683,613.74

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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.