Home / 827,780.40-1,142,750.34-541,737.45

Finding the Fourth Proportional to 827,780.40, 1,142,750.34 and 541,737.45

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Solution

The fourth proportional to 827,780.40, 1,142,750.34 and 541,737.45 is: 747,868.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,780.40 : 1,142,750.34 = 541,737.45 : x
  2. Step 2: Convert to fraction form
    827,780.40/1,142,750.34 = 541,737.45/x
  3. Step 3: Cross multiply
    827,780.40x = 1,142,750.34 × 541,737.45
  4. Step 4: Simplify right side
    827,780.40x = 619,070,655,178.23
  5. Step 5: Solve for x
    x = 619,070,655,178.23/827,780.40
  6. Step 6: Final answer
    x = 747,868.22

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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.