Home / 667,694.11-1,002,541.73-578,013.45

Finding the Fourth Proportional to 667,694.11, 1,002,541.73 and 578,013.45

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Solution

The fourth proportional to 667,694.11, 1,002,541.73 and 578,013.45 is: 867,886.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    667,694.11 : 1,002,541.73 = 578,013.45 : x
  2. Step 2: Convert to fraction form
    667,694.11/1,002,541.73 = 578,013.45/x
  3. Step 3: Cross multiply
    667,694.11x = 1,002,541.73 × 578,013.45
  4. Step 4: Simplify right side
    667,694.11x = 579,482,604,126.27
  5. Step 5: Solve for x
    x = 579,482,604,126.27/667,694.11
  6. Step 6: Final answer
    x = 867,886.35

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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.