Home / 745,095.64-1,117,810.11-271,781.02

Finding the Fourth Proportional to 745,095.64, 1,117,810.11 and 271,781.02

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Solution

The fourth proportional to 745,095.64, 1,117,810.11 and 271,781.02 is: 407,732.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    745,095.64 : 1,117,810.11 = 271,781.02 : x
  2. Step 2: Convert to fraction form
    745,095.64/1,117,810.11 = 271,781.02/x
  3. Step 3: Cross multiply
    745,095.64x = 1,117,810.11 × 271,781.02
  4. Step 4: Simplify right side
    745,095.64x = 303,799,571,862.11
  5. Step 5: Solve for x
    x = 303,799,571,862.11/745,095.64
  6. Step 6: Final answer
    x = 407,732.32

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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.