Home / 697,343.21-961,241.85-455,504.75

Finding the Fourth Proportional to 697,343.21, 961,241.85 and 455,504.75

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Solution

The fourth proportional to 697,343.21, 961,241.85 and 455,504.75 is: 627,883.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,343.21 : 961,241.85 = 455,504.75 : x
  2. Step 2: Convert to fraction form
    697,343.21/961,241.85 = 455,504.75/x
  3. Step 3: Cross multiply
    697,343.21x = 961,241.85 × 455,504.75
  4. Step 4: Simplify right side
    697,343.21x = 437,850,223,767.58
  5. Step 5: Solve for x
    x = 437,850,223,767.58/697,343.21
  6. Step 6: Final answer
    x = 627,883.40

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Double scale
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1.5x scale

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.