Home / 880,573.92-1,215,196.79-498,675.12

Finding the Fourth Proportional to 880,573.92, 1,215,196.79 and 498,675.12

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Solution

The fourth proportional to 880,573.92, 1,215,196.79 and 498,675.12 is: 688,174.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,573.92 : 1,215,196.79 = 498,675.12 : x
  2. Step 2: Convert to fraction form
    880,573.92/1,215,196.79 = 498,675.12/x
  3. Step 3: Cross multiply
    880,573.92x = 1,215,196.79 × 498,675.12
  4. Step 4: Simplify right side
    880,573.92x = 605,988,402,583.49
  5. Step 5: Solve for x
    x = 605,988,402,583.49/880,573.92
  6. Step 6: Final answer
    x = 688,174.37

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Double scale
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Similar ratio
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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.