Home / 892,542.69-1,231,401.03-570,441.33

Finding the Fourth Proportional to 892,542.69, 1,231,401.03 and 570,441.33

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Solution

The fourth proportional to 892,542.69, 1,231,401.03 and 570,441.33 is: 787,012.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,542.69 : 1,231,401.03 = 570,441.33 : x
  2. Step 2: Convert to fraction form
    892,542.69/1,231,401.03 = 570,441.33/x
  3. Step 3: Cross multiply
    892,542.69x = 1,231,401.03 × 570,441.33
  4. Step 4: Simplify right side
    892,542.69x = 702,442,041,316.57
  5. Step 5: Solve for x
    x = 702,442,041,316.57/892,542.69
  6. Step 6: Final answer
    x = 787,012.26

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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.