Home / 933,643.20-1,400,464.80-461,251.20

Finding the Fourth Proportional to 933,643.20, 1,400,464.80 and 461,251.20

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Solution

The fourth proportional to 933,643.20, 1,400,464.80 and 461,251.20 is: 691,876.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,643.20 : 1,400,464.80 = 461,251.20 : x
  2. Step 2: Convert to fraction form
    933,643.20/1,400,464.80 = 461,251.20/x
  3. Step 3: Cross multiply
    933,643.20x = 1,400,464.80 × 461,251.20
  4. Step 4: Simplify right side
    933,643.20x = 645,966,069,557.76
  5. Step 5: Solve for x
    x = 645,966,069,557.76/933,643.20
  6. Step 6: Final answer
    x = 691,876.80

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.