Home / 891,996.69-1,230,777.36-542,903.27

Finding the Fourth Proportional to 891,996.69, 1,230,777.36 and 542,903.27

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Solution

The fourth proportional to 891,996.69, 1,230,777.36 and 542,903.27 is: 749,098.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,996.69 : 1,230,777.36 = 542,903.27 : x
  2. Step 2: Convert to fraction form
    891,996.69/1,230,777.36 = 542,903.27/x
  3. Step 3: Cross multiply
    891,996.69x = 1,230,777.36 × 542,903.27
  4. Step 4: Simplify right side
    891,996.69x = 668,193,053,385.97
  5. Step 5: Solve for x
    x = 668,193,053,385.97/891,996.69
  6. Step 6: Final answer
    x = 749,098.13

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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.