Home / 927,287.68-1,279,688.48-519,407.04

Finding the Fourth Proportional to 927,287.68, 1,279,688.48 and 519,407.04

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Solution

The fourth proportional to 927,287.68, 1,279,688.48 and 519,407.04 is: 716,799.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    927,287.68 : 1,279,688.48 = 519,407.04 : x
  2. Step 2: Convert to fraction form
    927,287.68/1,279,688.48 = 519,407.04/x
  3. Step 3: Cross multiply
    927,287.68x = 1,279,688.48 × 519,407.04
  4. Step 4: Simplify right side
    927,287.68x = 664,679,205,518.90
  5. Step 5: Solve for x
    x = 664,679,205,518.90/927,287.68
  6. Step 6: Final answer
    x = 716,799.35

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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.