Home / 587,819.77-811,374.59-346,083.13

Finding the Fourth Proportional to 587,819.77, 811,374.59 and 346,083.13

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Solution

The fourth proportional to 587,819.77, 811,374.59 and 346,083.13 is: 477,702.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    587,819.77 : 811,374.59 = 346,083.13 : x
  2. Step 2: Convert to fraction form
    587,819.77/811,374.59 = 346,083.13/x
  3. Step 3: Cross multiply
    587,819.77x = 811,374.59 × 346,083.13
  4. Step 4: Simplify right side
    587,819.77x = 280,803,055,979.25
  5. Step 5: Solve for x
    x = 280,803,055,979.25/587,819.77
  6. Step 6: Final answer
    x = 477,702.64

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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.