Home / 974,732.40-1,462,104.90-638,055.72

Finding the Fourth Proportional to 974,732.40, 1,462,104.90 and 638,055.72

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Solution

The fourth proportional to 974,732.40, 1,462,104.90 and 638,055.72 is: 957,087.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,732.40 : 1,462,104.90 = 638,055.72 : x
  2. Step 2: Convert to fraction form
    974,732.40/1,462,104.90 = 638,055.72/x
  3. Step 3: Cross multiply
    974,732.40x = 1,462,104.90 × 638,055.72
  4. Step 4: Simplify right side
    974,732.40x = 932,904,394,685.03
  5. Step 5: Solve for x
    x = 932,904,394,685.03/974,732.40
  6. Step 6: Final answer
    x = 957,087.70

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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.