Home / 909,791.60-1,255,106.52-527,596.88

Finding the Fourth Proportional to 909,791.60, 1,255,106.52 and 527,596.88

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Solution

The fourth proportional to 909,791.60, 1,255,106.52 and 527,596.88 is: 727,848.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    909,791.60 : 1,255,106.52 = 527,596.88 : x
  2. Step 2: Convert to fraction form
    909,791.60/1,255,106.52 = 527,596.88/x
  3. Step 3: Cross multiply
    909,791.60x = 1,255,106.52 × 527,596.88
  4. Step 4: Simplify right side
    909,791.60x = 662,190,284,019.66
  5. Step 5: Solve for x
    x = 662,190,284,019.66/909,791.60
  6. Step 6: Final answer
    x = 727,848.32

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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.