Home / 804,060.81-1,110,123.18-498,463.79

Finding the Fourth Proportional to 804,060.81, 1,110,123.18 and 498,463.79

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Solution

The fourth proportional to 804,060.81, 1,110,123.18 and 498,463.79 is: 688,201.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,060.81 : 1,110,123.18 = 498,463.79 : x
  2. Step 2: Convert to fraction form
    804,060.81/1,110,123.18 = 498,463.79/x
  3. Step 3: Cross multiply
    804,060.81x = 1,110,123.18 × 498,463.79
  4. Step 4: Simplify right side
    804,060.81x = 553,356,202,119.04
  5. Step 5: Solve for x
    x = 553,356,202,119.04/804,060.81
  6. Step 6: Final answer
    x = 688,201.93

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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.