Home / 881,532.48-1,216,489.28-499,594.56

Finding the Fourth Proportional to 881,532.48, 1,216,489.28 and 499,594.56

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Solution

The fourth proportional to 881,532.48, 1,216,489.28 and 499,594.56 is: 689,426.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,532.48 : 1,216,489.28 = 499,594.56 : x
  2. Step 2: Convert to fraction form
    881,532.48/1,216,489.28 = 499,594.56/x
  3. Step 3: Cross multiply
    881,532.48x = 1,216,489.28 × 499,594.56
  4. Step 4: Simplify right side
    881,532.48x = 607,751,426,586.32
  5. Step 5: Solve for x
    x = 607,751,426,586.32/881,532.48
  6. Step 6: Final answer
    x = 689,426.02

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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.