Home / 881,187.54-1,216,098.90-499,217.46

Finding the Fourth Proportional to 881,187.54, 1,216,098.90 and 499,217.46

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Solution

The fourth proportional to 881,187.54, 1,216,098.90 and 499,217.46 is: 688,954.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,187.54 : 1,216,098.90 = 499,217.46 : x
  2. Step 2: Convert to fraction form
    881,187.54/1,216,098.90 = 499,217.46/x
  3. Step 3: Cross multiply
    881,187.54x = 1,216,098.90 × 499,217.46
  4. Step 4: Simplify right side
    881,187.54x = 607,097,803,966.79
  5. Step 5: Solve for x
    x = 607,097,803,966.79/881,187.54
  6. Step 6: Final answer
    x = 688,954.14

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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.