Home / 883,290.76-1,218,941.38-480,882.76

Finding the Fourth Proportional to 883,290.76, 1,218,941.38 and 480,882.76

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Solution

The fourth proportional to 883,290.76, 1,218,941.38 and 480,882.76 is: 663,618.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    883,290.76 : 1,218,941.38 = 480,882.76 : x
  2. Step 2: Convert to fraction form
    883,290.76/1,218,941.38 = 480,882.76/x
  3. Step 3: Cross multiply
    883,290.76x = 1,218,941.38 × 480,882.76
  4. Step 4: Simplify right side
    883,290.76x = 586,167,895,092.61
  5. Step 5: Solve for x
    x = 586,167,895,092.61/883,290.76
  6. Step 6: Final answer
    x = 663,618.28

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Double scale
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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.