Home / 514,981.75-772,685.25-278,045.41

Finding the Fourth Proportional to 514,981.75, 772,685.25 and 278,045.41

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Solution

The fourth proportional to 514,981.75, 772,685.25 and 278,045.41 is: 417,182.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,981.75 : 772,685.25 = 278,045.41 : x
  2. Step 2: Convert to fraction form
    514,981.75/772,685.25 = 278,045.41/x
  3. Step 3: Cross multiply
    514,981.75x = 772,685.25 × 278,045.41
  4. Step 4: Simplify right side
    514,981.75x = 214,841,587,137.20
  5. Step 5: Solve for x
    x = 214,841,587,137.20/514,981.75
  6. Step 6: Final answer
    x = 417,182.91

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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.