Home / 822,351.12-1,134,782.28-500,016.48

Finding the Fourth Proportional to 822,351.12, 1,134,782.28 and 500,016.48

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Solution

The fourth proportional to 822,351.12, 1,134,782.28 and 500,016.48 is: 689,984.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,351.12 : 1,134,782.28 = 500,016.48 : x
  2. Step 2: Convert to fraction form
    822,351.12/1,134,782.28 = 500,016.48/x
  3. Step 3: Cross multiply
    822,351.12x = 1,134,782.28 × 500,016.48
  4. Step 4: Simplify right side
    822,351.12x = 567,409,841,211.97
  5. Step 5: Solve for x
    x = 567,409,841,211.97/822,351.12
  6. Step 6: Final answer
    x = 689,984.88

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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.