Home / 892,522.71-1,231,377.18-570,418.65

Finding the Fourth Proportional to 892,522.71, 1,231,377.18 and 570,418.65

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Solution

The fourth proportional to 892,522.71, 1,231,377.18 and 570,418.65 is: 786,983.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,522.71 : 1,231,377.18 = 570,418.65 : x
  2. Step 2: Convert to fraction form
    892,522.71/1,231,377.18 = 570,418.65/x
  3. Step 3: Cross multiply
    892,522.71x = 1,231,377.18 × 570,418.65
  4. Step 4: Simplify right side
    892,522.71x = 702,400,508,656.41
  5. Step 5: Solve for x
    x = 702,400,508,656.41/892,522.71
  6. Step 6: Final answer
    x = 786,983.35

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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.