Home / 971,939.76-1,341,277.44-542,219.89

Finding the Fourth Proportional to 971,939.76, 1,341,277.44 and 542,219.89

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Solution

The fourth proportional to 971,939.76, 1,341,277.44 and 542,219.89 is: 748,263.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,939.76 : 1,341,277.44 = 542,219.89 : x
  2. Step 2: Convert to fraction form
    971,939.76/1,341,277.44 = 542,219.89/x
  3. Step 3: Cross multiply
    971,939.76x = 1,341,277.44 × 542,219.89
  4. Step 4: Simplify right side
    971,939.76x = 727,267,300,625.44
  5. Step 5: Solve for x
    x = 727,267,300,625.44/971,939.76
  6. Step 6: Final answer
    x = 748,263.76

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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.