Home / 869,498.68-1,199,977.74-482,352.32

Finding the Fourth Proportional to 869,498.68, 1,199,977.74 and 482,352.32

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Solution

The fourth proportional to 869,498.68, 1,199,977.74 and 482,352.32 is: 665,684.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    869,498.68 : 1,199,977.74 = 482,352.32 : x
  2. Step 2: Convert to fraction form
    869,498.68/1,199,977.74 = 482,352.32/x
  3. Step 3: Cross multiply
    869,498.68x = 1,199,977.74 × 482,352.32
  4. Step 4: Simplify right side
    869,498.68x = 578,812,046,837.36
  5. Step 5: Solve for x
    x = 578,812,046,837.36/869,498.68
  6. Step 6: Final answer
    x = 665,684.79

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Double scale
Find fourth proportional to 869,499.68, 1,199,979.12 and 482,353.32
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.