Home / 772,857.40-1,159,286.10-586,233.40

Finding the Fourth Proportional to 772,857.40, 1,159,286.10 and 586,233.40

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Solution

The fourth proportional to 772,857.40, 1,159,286.10 and 586,233.40 is: 879,350.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,857.40 : 1,159,286.10 = 586,233.40 : x
  2. Step 2: Convert to fraction form
    772,857.40/1,159,286.10 = 586,233.40/x
  3. Step 3: Cross multiply
    772,857.40x = 1,159,286.10 × 586,233.40
  4. Step 4: Simplify right side
    772,857.40x = 679,612,231,975.74
  5. Step 5: Solve for x
    x = 679,612,231,975.74/772,857.40
  6. Step 6: Final answer
    x = 879,350.10

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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.