Home / 555,730.00-766,908.20-301,081.19

Finding the Fourth Proportional to 555,730.00, 766,908.20 and 301,081.19

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Solution

The fourth proportional to 555,730.00, 766,908.20 and 301,081.19 is: 415,492.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    555,730.00 : 766,908.20 = 301,081.19 : x
  2. Step 2: Convert to fraction form
    555,730.00/766,908.20 = 301,081.19/x
  3. Step 3: Cross multiply
    555,730.00x = 766,908.20 × 301,081.19
  4. Step 4: Simplify right side
    555,730.00x = 230,901,630,394.92
  5. Step 5: Solve for x
    x = 230,901,630,394.92/555,730.00
  6. Step 6: Final answer
    x = 415,492.47

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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.