Home / 816,876.08-1,126,506.65-540,796.89

Finding the Fourth Proportional to 816,876.08, 1,126,506.65 and 540,796.89

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Solution

The fourth proportional to 816,876.08, 1,126,506.65 and 540,796.89 is: 745,781.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,876.08 : 1,126,506.65 = 540,796.89 : x
  2. Step 2: Convert to fraction form
    816,876.08/1,126,506.65 = 540,796.89/x
  3. Step 3: Cross multiply
    816,876.08x = 1,126,506.65 × 540,796.89
  4. Step 4: Simplify right side
    816,876.08x = 609,211,290,180.33
  5. Step 5: Solve for x
    x = 609,211,290,180.33/816,876.08
  6. Step 6: Final answer
    x = 745,781.78

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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.