Home / 696,741.77-961,149.18-455,165.75

Finding the Fourth Proportional to 696,741.77, 961,149.18 and 455,165.75

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Solution

The fourth proportional to 696,741.77, 961,149.18 and 455,165.75 is: 627,897.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,741.77 : 961,149.18 = 455,165.75 : x
  2. Step 2: Convert to fraction form
    696,741.77/961,149.18 = 455,165.75/x
  3. Step 3: Cross multiply
    696,741.77x = 961,149.18 × 455,165.75
  4. Step 4: Simplify right side
    696,741.77x = 437,482,182,570.84
  5. Step 5: Solve for x
    x = 437,482,182,570.84/696,741.77
  6. Step 6: Final answer
    x = 627,897.17

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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.