Home / 1,131,505.16-1,561,474.98-648,226.76

Finding the Fourth Proportional to 1,131,505.16, 1,561,474.98 and 648,226.76

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Solution

The fourth proportional to 1,131,505.16, 1,561,474.98 and 648,226.76 is: 894,551.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,131,505.16 : 1,561,474.98 = 648,226.76 : x
  2. Step 2: Convert to fraction form
    1,131,505.16/1,561,474.98 = 648,226.76/x
  3. Step 3: Cross multiply
    1,131,505.16x = 1,561,474.98 × 648,226.76
  4. Step 4: Simplify right side
    1,131,505.16x = 1,012,189,867,106.46
  5. Step 5: Solve for x
    x = 1,012,189,867,106.46/1,131,505.16
  6. Step 6: Final answer
    x = 894,551.70

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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.