Home / 845,153.80-1,165,794-690,330.04

Finding the Fourth Proportional to 845,153.80, 1,165,794 and 690,330.04

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Solution

The fourth proportional to 845,153.80, 1,165,794 and 690,330.04 is: 952,232.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,153.80 : 1,165,794 = 690,330.04 : x
  2. Step 2: Convert to fraction form
    845,153.80/1,165,794 = 690,330.04/x
  3. Step 3: Cross multiply
    845,153.80x = 1,165,794 × 690,330.04
  4. Step 4: Simplify right side
    845,153.80x = 804,782,618,651.76
  5. Step 5: Solve for x
    x = 804,782,618,651.76/845,153.80
  6. Step 6: Final answer
    x = 952,232.15

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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.