Home / 1,281,353.03-1,768,191.18-708,359.03

Finding the Fourth Proportional to 1,281,353.03, 1,768,191.18 and 708,359.03

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Solution

The fourth proportional to 1,281,353.03, 1,768,191.18 and 708,359.03 is: 977,493.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,353.03 : 1,768,191.18 = 708,359.03 : x
  2. Step 2: Convert to fraction form
    1,281,353.03/1,768,191.18 = 708,359.03/x
  3. Step 3: Cross multiply
    1,281,353.03x = 1,768,191.18 × 708,359.03
  4. Step 4: Simplify right side
    1,281,353.03x = 1,252,514,189,119.36
  5. Step 5: Solve for x
    x = 1,252,514,189,119.36/1,281,353.03
  6. Step 6: Final answer
    x = 977,493.45

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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.