Home / 838,168.56-1,157,189.40-576,969.84

Finding the Fourth Proportional to 838,168.56, 1,157,189.40 and 576,969.84

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Solution

The fourth proportional to 838,168.56, 1,157,189.40 and 576,969.84 is: 796,574.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,168.56 : 1,157,189.40 = 576,969.84 : x
  2. Step 2: Convert to fraction form
    838,168.56/1,157,189.40 = 576,969.84/x
  3. Step 3: Cross multiply
    838,168.56x = 1,157,189.40 × 576,969.84
  4. Step 4: Simplify right side
    838,168.56x = 667,663,382,967.70
  5. Step 5: Solve for x
    x = 667,663,382,967.70/838,168.56
  6. Step 6: Final answer
    x = 796,574.12

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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.