Home / 862,495.80-1,293,743.70-484,582.20

Finding the Fourth Proportional to 862,495.80, 1,293,743.70 and 484,582.20

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Solution

The fourth proportional to 862,495.80, 1,293,743.70 and 484,582.20 is: 726,873.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,495.80 : 1,293,743.70 = 484,582.20 : x
  2. Step 2: Convert to fraction form
    862,495.80/1,293,743.70 = 484,582.20/x
  3. Step 3: Cross multiply
    862,495.80x = 1,293,743.70 × 484,582.20
  4. Step 4: Simplify right side
    862,495.80x = 626,925,168,382.14
  5. Step 5: Solve for x
    x = 626,925,168,382.14/862,495.80
  6. Step 6: Final answer
    x = 726,873.30

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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.