Home / 922,076.28-1,272,555.99-559,471.68

Finding the Fourth Proportional to 922,076.28, 1,272,555.99 and 559,471.68

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Solution

The fourth proportional to 922,076.28, 1,272,555.99 and 559,471.68 is: 772,125.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,076.28 : 1,272,555.99 = 559,471.68 : x
  2. Step 2: Convert to fraction form
    922,076.28/1,272,555.99 = 559,471.68/x
  3. Step 3: Cross multiply
    922,076.28x = 1,272,555.99 × 559,471.68
  4. Step 4: Simplify right side
    922,076.28x = 711,959,037,619.36
  5. Step 5: Solve for x
    x = 711,959,037,619.36/922,076.28
  6. Step 6: Final answer
    x = 772,125.97

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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.