Home / 1,281,005.60-1,767,756.90-700,202.66

Finding the Fourth Proportional to 1,281,005.60, 1,767,756.90 and 700,202.66

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Solution

The fourth proportional to 1,281,005.60, 1,767,756.90 and 700,202.66 is: 966,262.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,005.60 : 1,767,756.90 = 700,202.66 : x
  2. Step 2: Convert to fraction form
    1,281,005.60/1,767,756.90 = 700,202.66/x
  3. Step 3: Cross multiply
    1,281,005.60x = 1,767,756.90 × 700,202.66
  4. Step 4: Simplify right side
    1,281,005.60x = 1,237,788,083,613.35
  5. Step 5: Solve for x
    x = 1,237,788,083,613.35/1,281,005.60
  6. Step 6: Final answer
    x = 966,262.82

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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.