Home / 881,010.30-1,321,515.45-615,289.80

Finding the Fourth Proportional to 881,010.30, 1,321,515.45 and 615,289.80

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Solution

The fourth proportional to 881,010.30, 1,321,515.45 and 615,289.80 is: 922,934.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    881,010.30 : 1,321,515.45 = 615,289.80 : x
  2. Step 2: Convert to fraction form
    881,010.30/1,321,515.45 = 615,289.80/x
  3. Step 3: Cross multiply
    881,010.30x = 1,321,515.45 × 615,289.80
  4. Step 4: Simplify right side
    881,010.30x = 813,114,976,927.41
  5. Step 5: Solve for x
    x = 813,114,976,927.41/881,010.30
  6. Step 6: Final answer
    x = 922,934.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.