Home / 815,083.18-1,221,034.29-533,747.50

Finding the Fourth Proportional to 815,083.18, 1,221,034.29 and 533,747.50

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Solution

The fourth proportional to 815,083.18, 1,221,034.29 and 533,747.50 is: 799,579.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    815,083.18 : 1,221,034.29 = 533,747.50 : x
  2. Step 2: Convert to fraction form
    815,083.18/1,221,034.29 = 533,747.50/x
  3. Step 3: Cross multiply
    815,083.18x = 1,221,034.29 × 533,747.50
  4. Step 4: Simplify right side
    815,083.18x = 651,723,999,701.78
  5. Step 5: Solve for x
    x = 651,723,999,701.78/815,083.18
  6. Step 6: Final answer
    x = 799,579.74

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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.