Home / 864,817.65-1,193,450.67-482,858.10

Finding the Fourth Proportional to 864,817.65, 1,193,450.67 and 482,858.10

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Solution

The fourth proportional to 864,817.65, 1,193,450.67 and 482,858.10 is: 666,345.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    864,817.65 : 1,193,450.67 = 482,858.10 : x
  2. Step 2: Convert to fraction form
    864,817.65/1,193,450.67 = 482,858.10/x
  3. Step 3: Cross multiply
    864,817.65x = 1,193,450.67 × 482,858.10
  4. Step 4: Simplify right side
    864,817.65x = 576,267,322,959.93
  5. Step 5: Solve for x
    x = 576,267,322,959.93/864,817.65
  6. Step 6: Final answer
    x = 666,345.47

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Double scale
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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.