Home / 988,226.76-1,363,754.70-535,517.76

Finding the Fourth Proportional to 988,226.76, 1,363,754.70 and 535,517.76

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Solution

The fourth proportional to 988,226.76, 1,363,754.70 and 535,517.76 is: 739,015.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    988,226.76 : 1,363,754.70 = 535,517.76 : x
  2. Step 2: Convert to fraction form
    988,226.76/1,363,754.70 = 535,517.76/x
  3. Step 3: Cross multiply
    988,226.76x = 1,363,754.70 × 535,517.76
  4. Step 4: Simplify right side
    988,226.76x = 730,314,862,133.47
  5. Step 5: Solve for x
    x = 730,314,862,133.47/988,226.76
  6. Step 6: Final answer
    x = 739,015.47

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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.