Home / 839,495.68-1,158,470.31-457,514.26

Finding the Fourth Proportional to 839,495.68, 1,158,470.31 and 457,514.26

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Solution

The fourth proportional to 839,495.68, 1,158,470.31 and 457,514.26 is: 631,351.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,495.68 : 1,158,470.31 = 457,514.26 : x
  2. Step 2: Convert to fraction form
    839,495.68/1,158,470.31 = 457,514.26/x
  3. Step 3: Cross multiply
    839,495.68x = 1,158,470.31 × 457,514.26
  4. Step 4: Simplify right side
    839,495.68x = 530,016,686,611.62
  5. Step 5: Solve for x
    x = 530,016,686,611.62/839,495.68
  6. Step 6: Final answer
    x = 631,351.30

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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.