Home / 791,220.16-1,091,884.96-469,088

Finding the Fourth Proportional to 791,220.16, 1,091,884.96 and 469,088

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Solution

The fourth proportional to 791,220.16, 1,091,884.96 and 469,088 is: 647,342.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    791,220.16 : 1,091,884.96 = 469,088 : x
  2. Step 2: Convert to fraction form
    791,220.16/1,091,884.96 = 469,088/x
  3. Step 3: Cross multiply
    791,220.16x = 1,091,884.96 × 469,088
  4. Step 4: Simplify right side
    791,220.16x = 512,190,132,116.48
  5. Step 5: Solve for x
    x = 512,190,132,116.48/791,220.16
  6. Step 6: Final answer
    x = 647,342.12

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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.