Home / 1,154,219.66-1,731,326.00-811,251.08

Finding the Fourth Proportional to 1,154,219.66, 1,731,326.00 and 811,251.08

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Solution

The fourth proportional to 1,154,219.66, 1,731,326.00 and 811,251.08 is: 1,216,874.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,219.66 : 1,731,326.00 = 811,251.08 : x
  2. Step 2: Convert to fraction form
    1,154,219.66/1,731,326.00 = 811,251.08/x
  3. Step 3: Cross multiply
    1,154,219.66x = 1,731,326.00 × 811,251.08
  4. Step 4: Simplify right side
    1,154,219.66x = 1,404,540,081,111.67
  5. Step 5: Solve for x
    x = 1,404,540,081,111.67/1,154,219.66
  6. Step 6: Final answer
    x = 1,216,874.16

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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.