Home / 746,646.60-1,119,969.72-185,681.10

Finding the Fourth Proportional to 746,646.60, 1,119,969.72 and 185,681.10

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Solution

The fourth proportional to 746,646.60, 1,119,969.72 and 185,681.10 is: 278,521.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,646.60 : 1,119,969.72 = 185,681.10 : x
  2. Step 2: Convert to fraction form
    746,646.60/1,119,969.72 = 185,681.10/x
  3. Step 3: Cross multiply
    746,646.60x = 1,119,969.72 × 185,681.10
  4. Step 4: Simplify right side
    746,646.60x = 207,957,209,576.29
  5. Step 5: Solve for x
    x = 207,957,209,576.29/746,646.60
  6. Step 6: Final answer
    x = 278,521.61

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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.