Home / 1,047,720.51-1,570,733.15-327,691.76

Finding the Fourth Proportional to 1,047,720.51, 1,570,733.15 and 327,691.76

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Solution

The fourth proportional to 1,047,720.51, 1,570,733.15 and 327,691.76 is: 491,272.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,047,720.51 : 1,570,733.15 = 327,691.76 : x
  2. Step 2: Convert to fraction form
    1,047,720.51/1,570,733.15 = 327,691.76/x
  3. Step 3: Cross multiply
    1,047,720.51x = 1,570,733.15 × 327,691.76
  4. Step 4: Simplify right side
    1,047,720.51x = 514,716,300,921.72
  5. Step 5: Solve for x
    x = 514,716,300,921.72/1,047,720.51
  6. Step 6: Final answer
    x = 491,272.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.