Home / 881,479.73-1,216,424.63-514,025.39

Finding the Fourth Proportional to 881,479.73, 1,216,424.63 and 514,025.39

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Solution

The fourth proportional to 881,479.73, 1,216,424.63 and 514,025.39 is: 709,344.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,479.73 : 1,216,424.63 = 514,025.39 : x
  2. Step 2: Convert to fraction form
    881,479.73/1,216,424.63 = 514,025.39/x
  3. Step 3: Cross multiply
    881,479.73x = 1,216,424.63 × 514,025.39
  4. Step 4: Simplify right side
    881,479.73x = 625,273,136,189.11
  5. Step 5: Solve for x
    x = 625,273,136,189.11/881,479.73
  6. Step 6: Final answer
    x = 709,344.89

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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.