Home / 814,732.65-1,124,879.27-623,404.17

Finding the Fourth Proportional to 814,732.65, 1,124,879.27 and 623,404.17

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Solution

The fourth proportional to 814,732.65, 1,124,879.27 and 623,404.17 is: 860,717.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,732.65 : 1,124,879.27 = 623,404.17 : x
  2. Step 2: Convert to fraction form
    814,732.65/1,124,879.27 = 623,404.17/x
  3. Step 3: Cross multiply
    814,732.65x = 1,124,879.27 × 623,404.17
  4. Step 4: Simplify right side
    814,732.65x = 701,254,424,547.54
  5. Step 5: Solve for x
    x = 701,254,424,547.54/814,732.65
  6. Step 6: Final answer
    x = 860,717.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.