Home / 928,890.20-1,281,881.76-695,904.32

Finding the Fourth Proportional to 928,890.20, 1,281,881.76 and 695,904.32

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Solution

The fourth proportional to 928,890.20, 1,281,881.76 and 695,904.32 is: 960,357.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,890.20 : 1,281,881.76 = 695,904.32 : x
  2. Step 2: Convert to fraction form
    928,890.20/1,281,881.76 = 695,904.32/x
  3. Step 3: Cross multiply
    928,890.20x = 1,281,881.76 × 695,904.32
  4. Step 4: Simplify right side
    928,890.20x = 892,067,054,513.20
  5. Step 5: Solve for x
    x = 892,067,054,513.20/928,890.20
  6. Step 6: Final answer
    x = 960,357.91

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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.