Home / 1,243,020.57-1,864,525.53-344,459.73

Finding the Fourth Proportional to 1,243,020.57, 1,864,525.53 and 344,459.73

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Solution

The fourth proportional to 1,243,020.57, 1,864,525.53 and 344,459.73 is: 516,688.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,243,020.57 : 1,864,525.53 = 344,459.73 : x
  2. Step 2: Convert to fraction form
    1,243,020.57/1,864,525.53 = 344,459.73/x
  3. Step 3: Cross multiply
    1,243,020.57x = 1,864,525.53 × 344,459.73
  4. Step 4: Simplify right side
    1,243,020.57x = 642,253,960,641.91
  5. Step 5: Solve for x
    x = 642,253,960,641.91/1,243,020.57
  6. Step 6: Final answer
    x = 516,688.12

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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.