Home / 738,153.40-1,107,230.10-401,355.40

Finding the Fourth Proportional to 738,153.40, 1,107,230.10 and 401,355.40

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Solution

The fourth proportional to 738,153.40, 1,107,230.10 and 401,355.40 is: 602,033.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,153.40 : 1,107,230.10 = 401,355.40 : x
  2. Step 2: Convert to fraction form
    738,153.40/1,107,230.10 = 401,355.40/x
  3. Step 3: Cross multiply
    738,153.40x = 1,107,230.10 × 401,355.40
  4. Step 4: Simplify right side
    738,153.40x = 444,392,779,677.54
  5. Step 5: Solve for x
    x = 444,392,779,677.54/738,153.40
  6. Step 6: Final answer
    x = 602,033.10

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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.