Home / 816,572.90-1,224,780.15-247,958.92

Finding the Fourth Proportional to 816,572.90, 1,224,780.15 and 247,958.92

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Solution

The fourth proportional to 816,572.90, 1,224,780.15 and 247,958.92 is: 371,914.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,572.90 : 1,224,780.15 = 247,958.92 : x
  2. Step 2: Convert to fraction form
    816,572.90/1,224,780.15 = 247,958.92/x
  3. Step 3: Cross multiply
    816,572.90x = 1,224,780.15 × 247,958.92
  4. Step 4: Simplify right side
    816,572.90x = 303,695,163,851.34
  5. Step 5: Solve for x
    x = 303,695,163,851.34/816,572.90
  6. Step 6: Final answer
    x = 371,914.33

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1.5x scale

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.