Home / 1,015,584.60-1,400,869.44-653,478.96

Finding the Fourth Proportional to 1,015,584.60, 1,400,869.44 and 653,478.96

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Solution

The fourth proportional to 1,015,584.60, 1,400,869.44 and 653,478.96 is: 901,390.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,584.60 : 1,400,869.44 = 653,478.96 : x
  2. Step 2: Convert to fraction form
    1,015,584.60/1,400,869.44 = 653,478.96/x
  3. Step 3: Cross multiply
    1,015,584.60x = 1,400,869.44 × 653,478.96
  4. Step 4: Simplify right side
    1,015,584.60x = 915,438,704,746.98
  5. Step 5: Solve for x
    x = 915,438,704,746.98/1,015,584.60
  6. Step 6: Final answer
    x = 901,390.89

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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.