Home / 778,892.09-1,074,872.57-430,033.17

Finding the Fourth Proportional to 778,892.09, 1,074,872.57 and 430,033.17

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Solution

The fourth proportional to 778,892.09, 1,074,872.57 and 430,033.17 is: 593,446.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    778,892.09 : 1,074,872.57 = 430,033.17 : x
  2. Step 2: Convert to fraction form
    778,892.09/1,074,872.57 = 430,033.17/x
  3. Step 3: Cross multiply
    778,892.09x = 1,074,872.57 × 430,033.17
  4. Step 4: Simplify right side
    778,892.09x = 462,230,859,698.23
  5. Step 5: Solve for x
    x = 462,230,859,698.23/778,892.09
  6. Step 6: Final answer
    x = 593,446.59

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.