Home / 1,217,128.93-1,679,230.00-700,871.70

Finding the Fourth Proportional to 1,217,128.93, 1,679,230.00 and 700,871.70

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Solution

The fourth proportional to 1,217,128.93, 1,679,230.00 and 700,871.70 is: 966,968.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,128.93 : 1,679,230.00 = 700,871.70 : x
  2. Step 2: Convert to fraction form
    1,217,128.93/1,679,230.00 = 700,871.70/x
  3. Step 3: Cross multiply
    1,217,128.93x = 1,679,230.00 × 700,871.70
  4. Step 4: Simplify right side
    1,217,128.93x = 1,176,924,791,964.20
  5. Step 5: Solve for x
    x = 1,176,924,791,964.20/1,217,128.93
  6. Step 6: Final answer
    x = 966,968.05

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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.