Home / 738,250.90-1,107,376.35-401,452.90

Finding the Fourth Proportional to 738,250.90, 1,107,376.35 and 401,452.90

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Solution

The fourth proportional to 738,250.90, 1,107,376.35 and 401,452.90 is: 602,179.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,250.90 : 1,107,376.35 = 401,452.90 : x
  2. Step 2: Convert to fraction form
    738,250.90/1,107,376.35 = 401,452.90/x
  3. Step 3: Cross multiply
    738,250.90x = 1,107,376.35 × 401,452.90
  4. Step 4: Simplify right side
    738,250.90x = 444,559,447,098.92
  5. Step 5: Solve for x
    x = 444,559,447,098.92/738,250.90
  6. Step 6: Final answer
    x = 602,179.35

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Half scale
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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.