Home / 974,424.74-1,344,651.59-538,816.86

Finding the Fourth Proportional to 974,424.74, 1,344,651.59 and 538,816.86

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Solution

The fourth proportional to 974,424.74, 1,344,651.59 and 538,816.86 is: 743,537.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    974,424.74 : 1,344,651.59 = 538,816.86 : x
  2. Step 2: Convert to fraction form
    974,424.74/1,344,651.59 = 538,816.86/x
  3. Step 3: Cross multiply
    974,424.74x = 1,344,651.59 × 538,816.86
  4. Step 4: Simplify right side
    974,424.74x = 724,520,945,834.01
  5. Step 5: Solve for x
    x = 724,520,945,834.01/974,424.74
  6. Step 6: Final answer
    x = 743,537.10

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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.