Home / 955,667.76-1,318,524.66-542,136.65

Finding the Fourth Proportional to 955,667.76, 1,318,524.66 and 542,136.65

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Solution

The fourth proportional to 955,667.76, 1,318,524.66 and 542,136.65 is: 747,980.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,667.76 : 1,318,524.66 = 542,136.65 : x
  2. Step 2: Convert to fraction form
    955,667.76/1,318,524.66 = 542,136.65/x
  3. Step 3: Cross multiply
    955,667.76x = 1,318,524.66 × 542,136.65
  4. Step 4: Simplify right side
    955,667.76x = 714,820,535,522.17
  5. Step 5: Solve for x
    x = 714,820,535,522.17/955,667.76
  6. Step 6: Final answer
    x = 747,980.17

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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.