Home / 1,588,120.47-2,191,618.30-862,972.10

Finding the Fourth Proportional to 1,588,120.47, 2,191,618.30 and 862,972.10

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Solution

The fourth proportional to 1,588,120.47, 2,191,618.30 and 862,972.10 is: 1,190,908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,588,120.47 : 2,191,618.30 = 862,972.10 : x
  2. Step 2: Convert to fraction form
    1,588,120.47/2,191,618.30 = 862,972.10/x
  3. Step 3: Cross multiply
    1,588,120.47x = 2,191,618.30 × 862,972.10
  4. Step 4: Simplify right side
    1,588,120.47x = 1,891,305,433,633.91
  5. Step 5: Solve for x
    x = 1,891,305,433,633.91/1,588,120.47
  6. Step 6: Final answer
    x = 1,190,908.04

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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.