Home / 739,754.57-1,020,861.53-417,532.93

Finding the Fourth Proportional to 739,754.57, 1,020,861.53 and 417,532.93

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Solution

The fourth proportional to 739,754.57, 1,020,861.53 and 417,532.93 is: 576,195.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    739,754.57 : 1,020,861.53 = 417,532.93 : x
  2. Step 2: Convert to fraction form
    739,754.57/1,020,861.53 = 417,532.93/x
  3. Step 3: Cross multiply
    739,754.57x = 1,020,861.53 × 417,532.93
  4. Step 4: Simplify right side
    739,754.57x = 426,243,302,671.11
  5. Step 5: Solve for x
    x = 426,243,302,671.11/739,754.57
  6. Step 6: Final answer
    x = 576,195.56

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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.