Home / 887,100.23-1,223,812.06-542,951.48

Finding the Fourth Proportional to 887,100.23, 1,223,812.06 and 542,951.48

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Solution

The fourth proportional to 887,100.23, 1,223,812.06 and 542,951.48 is: 749,036.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    887,100.23 : 1,223,812.06 = 542,951.48 : x
  2. Step 2: Convert to fraction form
    887,100.23/1,223,812.06 = 542,951.48/x
  3. Step 3: Cross multiply
    887,100.23x = 1,223,812.06 × 542,951.48
  4. Step 4: Simplify right side
    887,100.23x = 664,470,561,742.41
  5. Step 5: Solve for x
    x = 664,470,561,742.41/887,100.23
  6. Step 6: Final answer
    x = 749,036.63

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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.