Home / 676,101.95-1,013,995.50-316,520.88

Finding the Fourth Proportional to 676,101.95, 1,013,995.50 and 316,520.88

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Solution

The fourth proportional to 676,101.95, 1,013,995.50 and 316,520.88 is: 474,707.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,101.95 : 1,013,995.50 = 316,520.88 : x
  2. Step 2: Convert to fraction form
    676,101.95/1,013,995.50 = 316,520.88/x
  3. Step 3: Cross multiply
    676,101.95x = 1,013,995.50 × 316,520.88
  4. Step 4: Simplify right side
    676,101.95x = 320,950,747,976.04
  5. Step 5: Solve for x
    x = 320,950,747,976.04/676,101.95
  6. Step 6: Final answer
    x = 474,707.62

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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.