Home / 712,896.41-1,069,344.62-239,581.76

Finding the Fourth Proportional to 712,896.41, 1,069,344.62 and 239,581.76

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Solution

The fourth proportional to 712,896.41, 1,069,344.62 and 239,581.76 is: 359,372.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,896.41 : 1,069,344.62 = 239,581.76 : x
  2. Step 2: Convert to fraction form
    712,896.41/1,069,344.62 = 239,581.76/x
  3. Step 3: Cross multiply
    712,896.41x = 1,069,344.62 × 239,581.76
  4. Step 4: Simplify right side
    712,896.41x = 256,195,464,908.22
  5. Step 5: Solve for x
    x = 256,195,464,908.22/712,896.41
  6. Step 6: Final answer
    x = 359,372.64

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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.