Home / 1,199,941.56-1,655,937.06-812,875.38

Finding the Fourth Proportional to 1,199,941.56, 1,655,937.06 and 812,875.38

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Solution

The fourth proportional to 1,199,941.56, 1,655,937.06 and 812,875.38 is: 1,121,780.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,199,941.56 : 1,655,937.06 = 812,875.38 : x
  2. Step 2: Convert to fraction form
    1,199,941.56/1,655,937.06 = 812,875.38/x
  3. Step 3: Cross multiply
    1,199,941.56x = 1,655,937.06 × 812,875.38
  4. Step 4: Simplify right side
    1,199,941.56x = 1,346,070,466,903.58
  5. Step 5: Solve for x
    x = 1,346,070,466,903.58/1,199,941.56
  6. Step 6: Final answer
    x = 1,121,780.02

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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.