Home / 677,901.03-933,707.59-505,265.74

Finding the Fourth Proportional to 677,901.03, 933,707.59 and 505,265.74

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Solution

The fourth proportional to 677,901.03, 933,707.59 and 505,265.74 is: 695,928.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,901.03 : 933,707.59 = 505,265.74 : x
  2. Step 2: Convert to fraction form
    677,901.03/933,707.59 = 505,265.74/x
  3. Step 3: Cross multiply
    677,901.03x = 933,707.59 × 505,265.74
  4. Step 4: Simplify right side
    677,901.03x = 471,770,456,404.97
  5. Step 5: Solve for x
    x = 471,770,456,404.97/677,901.03
  6. Step 6: Final answer
    x = 695,928.22

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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.