Home / 1,409,409.60-1,944,532.80-789,123.52

Finding the Fourth Proportional to 1,409,409.60, 1,944,532.80 and 789,123.52

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Solution

The fourth proportional to 1,409,409.60, 1,944,532.80 and 789,123.52 is: 1,088,737.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,409,409.60 : 1,944,532.80 = 789,123.52 : x
  2. Step 2: Convert to fraction form
    1,409,409.60/1,944,532.80 = 789,123.52/x
  3. Step 3: Cross multiply
    1,409,409.60x = 1,944,532.80 × 789,123.52
  4. Step 4: Simplify right side
    1,409,409.60x = 1,534,476,567,891.46
  5. Step 5: Solve for x
    x = 1,534,476,567,891.46/1,409,409.60
  6. Step 6: Final answer
    x = 1,088,737.13

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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.