Home / 816,095.70-1,224,143.55-727,449.30

Finding the Fourth Proportional to 816,095.70, 1,224,143.55 and 727,449.30

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Solution

The fourth proportional to 816,095.70, 1,224,143.55 and 727,449.30 is: 1,091,173.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,095.70 : 1,224,143.55 = 727,449.30 : x
  2. Step 2: Convert to fraction form
    816,095.70/1,224,143.55 = 727,449.30/x
  3. Step 3: Cross multiply
    816,095.70x = 1,224,143.55 × 727,449.30
  4. Step 4: Simplify right side
    816,095.70x = 890,502,368,547.02
  5. Step 5: Solve for x
    x = 890,502,368,547.02/816,095.70
  6. Step 6: Final answer
    x = 1,091,173.95

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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.