Home / 1,023,998.40-1,535,997.60-650,443.20

Finding the Fourth Proportional to 1,023,998.40, 1,535,997.60 and 650,443.20

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Solution

The fourth proportional to 1,023,998.40, 1,535,997.60 and 650,443.20 is: 975,664.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,023,998.40 : 1,535,997.60 = 650,443.20 : x
  2. Step 2: Convert to fraction form
    1,023,998.40/1,535,997.60 = 650,443.20/x
  3. Step 3: Cross multiply
    1,023,998.40x = 1,535,997.60 × 650,443.20
  4. Step 4: Simplify right side
    1,023,998.40x = 999,079,194,136.32
  5. Step 5: Solve for x
    x = 999,079,194,136.32/1,023,998.40
  6. Step 6: Final answer
    x = 975,664.80

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1.5x scale

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.