Home / 1,553,117.76-2,330,740.62-542,239.83

Finding the Fourth Proportional to 1,553,117.76, 2,330,740.62 and 542,239.83

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Solution

The fourth proportional to 1,553,117.76, 2,330,740.62 and 542,239.83 is: 813,731.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,553,117.76 : 2,330,740.62 = 542,239.83 : x
  2. Step 2: Convert to fraction form
    1,553,117.76/2,330,740.62 = 542,239.83/x
  3. Step 3: Cross multiply
    1,553,117.76x = 2,330,740.62 × 542,239.83
  4. Step 4: Simplify right side
    1,553,117.76x = 1,263,820,397,562.89
  5. Step 5: Solve for x
    x = 1,263,820,397,562.89/1,553,117.76
  6. Step 6: Final answer
    x = 813,731.21

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.