Home / 746,431.60-1,119,647.40-185,466.10

Finding the Fourth Proportional to 746,431.60, 1,119,647.40 and 185,466.10

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Solution

The fourth proportional to 746,431.60, 1,119,647.40 and 185,466.10 is: 278,199.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,431.60 : 1,119,647.40 = 185,466.10 : x
  2. Step 2: Convert to fraction form
    746,431.60/1,119,647.40 = 185,466.10/x
  3. Step 3: Cross multiply
    746,431.60x = 1,119,647.40 × 185,466.10
  4. Step 4: Simplify right side
    746,431.60x = 207,656,636,653.14
  5. Step 5: Solve for x
    x = 207,656,636,653.14/746,431.60
  6. Step 6: Final answer
    x = 278,199.15

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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.