Home / 884,729.40-1,327,094.10-485,215.80

Finding the Fourth Proportional to 884,729.40, 1,327,094.10 and 485,215.80

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Solution

The fourth proportional to 884,729.40, 1,327,094.10 and 485,215.80 is: 727,823.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    884,729.40 : 1,327,094.10 = 485,215.80 : x
  2. Step 2: Convert to fraction form
    884,729.40/1,327,094.10 = 485,215.80/x
  3. Step 3: Cross multiply
    884,729.40x = 1,327,094.10 × 485,215.80
  4. Step 4: Simplify right side
    884,729.40x = 643,927,025,406.78
  5. Step 5: Solve for x
    x = 643,927,025,406.78/884,729.40
  6. Step 6: Final answer
    x = 727,823.70

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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.