Home / 772,886.40-1,159,329.60-204,266.40

Finding the Fourth Proportional to 772,886.40, 1,159,329.60 and 204,266.40

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Solution

The fourth proportional to 772,886.40, 1,159,329.60 and 204,266.40 is: 306,399.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,886.40 : 1,159,329.60 = 204,266.40 : x
  2. Step 2: Convert to fraction form
    772,886.40/1,159,329.60 = 204,266.40/x
  3. Step 3: Cross multiply
    772,886.40x = 1,159,329.60 × 204,266.40
  4. Step 4: Simplify right side
    772,886.40x = 236,812,083,805.44
  5. Step 5: Solve for x
    x = 236,812,083,805.44/772,886.40
  6. Step 6: Final answer
    x = 306,399.60

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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.