Home / 1,189,659.60-1,635,417.45-1,023,480.45

Finding the Fourth Proportional to 1,189,659.60, 1,635,417.45 and 1,023,480.45

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Solution

The fourth proportional to 1,189,659.60, 1,635,417.45 and 1,023,480.45 is: 1,406,972.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,189,659.60 : 1,635,417.45 = 1,023,480.45 : x
  2. Step 2: Convert to fraction form
    1,189,659.60/1,635,417.45 = 1,023,480.45/x
  3. Step 3: Cross multiply
    1,189,659.60x = 1,635,417.45 × 1,023,480.45
  4. Step 4: Simplify right side
    1,189,659.60x = 1,673,817,787,663.85
  5. Step 5: Solve for x
    x = 1,673,817,787,663.85/1,189,659.60
  6. Step 6: Final answer
    x = 1,406,972.03

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Why These Related Problems?

These problems maintain the same ratio (1.37) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.