Home / 1,656,395.60-2,486,051.40-981,633.20

Finding the Fourth Proportional to 1,656,395.60, 2,486,051.40 and 981,633.20

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Solution

The fourth proportional to 1,656,395.60, 2,486,051.40 and 981,633.20 is: 1,473,313.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,395.60 : 2,486,051.40 = 981,633.20 : x
  2. Step 2: Convert to fraction form
    1,656,395.60/2,486,051.40 = 981,633.20/x
  3. Step 3: Cross multiply
    1,656,395.60x = 2,486,051.40 × 981,633.20
  4. Step 4: Simplify right side
    1,656,395.60x = 2,440,390,591,146.48
  5. Step 5: Solve for x
    x = 2,440,390,591,146.48/1,656,395.60
  6. Step 6: Final answer
    x = 1,473,313.86

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.