Home / 677,156.91-934,456.28-371,222.83

Finding the Fourth Proportional to 677,156.91, 934,456.28 and 371,222.83

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Solution

The fourth proportional to 677,156.91, 934,456.28 and 371,222.83 is: 512,276.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,156.91 : 934,456.28 = 371,222.83 : x
  2. Step 2: Convert to fraction form
    677,156.91/934,456.28 = 371,222.83/x
  3. Step 3: Cross multiply
    677,156.91x = 934,456.28 × 371,222.83
  4. Step 4: Simplify right side
    677,156.91x = 346,891,498,244.48
  5. Step 5: Solve for x
    x = 346,891,498,244.48/677,156.91
  6. Step 6: Final answer
    x = 512,276.40

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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.