Home / 999,176.38-1,378,829.28-569,594.90

Finding the Fourth Proportional to 999,176.38, 1,378,829.28 and 569,594.90

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Solution

The fourth proportional to 999,176.38, 1,378,829.28 and 569,594.90 is: 786,021.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,176.38 : 1,378,829.28 = 569,594.90 : x
  2. Step 2: Convert to fraction form
    999,176.38/1,378,829.28 = 569,594.90/x
  3. Step 3: Cross multiply
    999,176.38x = 1,378,829.28 × 569,594.90
  4. Step 4: Simplify right side
    999,176.38x = 785,374,131,441.73
  5. Step 5: Solve for x
    x = 785,374,131,441.73/999,176.38
  6. Step 6: Final answer
    x = 786,021.52

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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.