Home / 887,020.76-1,223,660.56-580,962.46

Finding the Fourth Proportional to 887,020.76, 1,223,660.56 and 580,962.46

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Solution

The fourth proportional to 887,020.76, 1,223,660.56 and 580,962.46 is: 801,447.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,020.76 : 1,223,660.56 = 580,962.46 : x
  2. Step 2: Convert to fraction form
    887,020.76/1,223,660.56 = 580,962.46/x
  3. Step 3: Cross multiply
    887,020.76x = 1,223,660.56 × 580,962.46
  4. Step 4: Simplify right side
    887,020.76x = 710,900,849,142.58
  5. Step 5: Solve for x
    x = 710,900,849,142.58/887,020.76
  6. Step 6: Final answer
    x = 801,447.81

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1.5x scale

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.