Home / 1,073,400.73-1,610,101.09-399,464.53

Finding the Fourth Proportional to 1,073,400.73, 1,610,101.09 and 399,464.53

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Solution

The fourth proportional to 1,073,400.73, 1,610,101.09 and 399,464.53 is: 599,196.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,073,400.73 : 1,610,101.09 = 399,464.53 : x
  2. Step 2: Convert to fraction form
    1,073,400.73/1,610,101.09 = 399,464.53/x
  3. Step 3: Cross multiply
    1,073,400.73x = 1,610,101.09 × 399,464.53
  4. Step 4: Simplify right side
    1,073,400.73x = 643,178,271,643.42
  5. Step 5: Solve for x
    x = 643,178,271,643.42/1,073,400.73
  6. Step 6: Final answer
    x = 599,196.79

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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.