Home / 872,620.29-1,307,594.54-587,255.06

Finding the Fourth Proportional to 872,620.29, 1,307,594.54 and 587,255.06

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Solution

The fourth proportional to 872,620.29, 1,307,594.54 and 587,255.06 is: 879,983.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,620.29 : 1,307,594.54 = 587,255.06 : x
  2. Step 2: Convert to fraction form
    872,620.29/1,307,594.54 = 587,255.06/x
  3. Step 3: Cross multiply
    872,620.29x = 1,307,594.54 × 587,255.06
  4. Step 4: Simplify right side
    872,620.29x = 767,891,514,780.50
  5. Step 5: Solve for x
    x = 767,891,514,780.50/872,620.29
  6. Step 6: Final answer
    x = 879,983.57

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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.