Home / 852,764.49-1,176,808.90-465,579.90

Finding the Fourth Proportional to 852,764.49, 1,176,808.90 and 465,579.90

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Solution

The fourth proportional to 852,764.49, 1,176,808.90 and 465,579.90 is: 642,496.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    852,764.49 : 1,176,808.90 = 465,579.90 : x
  2. Step 2: Convert to fraction form
    852,764.49/1,176,808.90 = 465,579.90/x
  3. Step 3: Cross multiply
    852,764.49x = 1,176,808.90 × 465,579.90
  4. Step 4: Simplify right side
    852,764.49x = 547,898,561,769.17
  5. Step 5: Solve for x
    x = 547,898,561,769.17/852,764.49
  6. Step 6: Final answer
    x = 642,496.92

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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.