Home / 863,616.74-1,296,547.64-664,077.24

Finding the Fourth Proportional to 863,616.74, 1,296,547.64 and 664,077.24

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Solution

The fourth proportional to 863,616.74, 1,296,547.64 and 664,077.24 is: 996,979.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,616.74 : 1,296,547.64 = 664,077.24 : x
  2. Step 2: Convert to fraction form
    863,616.74/1,296,547.64 = 664,077.24/x
  3. Step 3: Cross multiply
    863,616.74x = 1,296,547.64 × 664,077.24
  4. Step 4: Simplify right side
    863,616.74x = 861,007,779,959.91
  5. Step 5: Solve for x
    x = 861,007,779,959.91/863,616.74
  6. Step 6: Final answer
    x = 996,979.04

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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.