Home / 979,126.84-1,468,760.46-409,935.16

Finding the Fourth Proportional to 979,126.84, 1,468,760.46 and 409,935.16

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Solution

The fourth proportional to 979,126.84, 1,468,760.46 and 409,935.16 is: 614,932.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    979,126.84 : 1,468,760.46 = 409,935.16 : x
  2. Step 2: Convert to fraction form
    979,126.84/1,468,760.46 = 409,935.16/x
  3. Step 3: Cross multiply
    979,126.84x = 1,468,760.46 × 409,935.16
  4. Step 4: Simplify right side
    979,126.84x = 602,096,554,171.77
  5. Step 5: Solve for x
    x = 602,096,554,171.77/979,126.84
  6. Step 6: Final answer
    x = 614,932.13

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.