Home / 1,001,124.88-1,381,543.96-542,228.80

Finding the Fourth Proportional to 1,001,124.88, 1,381,543.96 and 542,228.80

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Solution

The fourth proportional to 1,001,124.88, 1,381,543.96 and 542,228.80 is: 748,271.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,124.88 : 1,381,543.96 = 542,228.80 : x
  2. Step 2: Convert to fraction form
    1,001,124.88/1,381,543.96 = 542,228.80/x
  3. Step 3: Cross multiply
    1,001,124.88x = 1,381,543.96 × 542,228.80
  4. Step 4: Simplify right side
    1,001,124.88x = 749,112,923,578.05
  5. Step 5: Solve for x
    x = 749,112,923,578.05/1,001,124.88
  6. Step 6: Final answer
    x = 748,271.21

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Double scale
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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.