Home / 914,050.62-1,261,374.36-506,143.74

Finding the Fourth Proportional to 914,050.62, 1,261,374.36 and 506,143.74

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Solution

The fourth proportional to 914,050.62, 1,261,374.36 and 506,143.74 is: 698,469.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,050.62 : 1,261,374.36 = 506,143.74 : x
  2. Step 2: Convert to fraction form
    914,050.62/1,261,374.36 = 506,143.74/x
  3. Step 3: Cross multiply
    914,050.62x = 1,261,374.36 × 506,143.74
  4. Step 4: Simplify right side
    914,050.62x = 638,436,736,110.51
  5. Step 5: Solve for x
    x = 638,436,736,110.51/914,050.62
  6. Step 6: Final answer
    x = 698,469.78

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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.