Home / 843,143.57-1,163,508.67-480,684.16

Finding the Fourth Proportional to 843,143.57, 1,163,508.67 and 480,684.16

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Solution

The fourth proportional to 843,143.57, 1,163,508.67 and 480,684.16 is: 663,327.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,143.57 : 1,163,508.67 = 480,684.16 : x
  2. Step 2: Convert to fraction form
    843,143.57/1,163,508.67 = 480,684.16/x
  3. Step 3: Cross multiply
    843,143.57x = 1,163,508.67 × 480,684.16
  4. Step 4: Simplify right side
    843,143.57x = 559,280,187,691.67
  5. Step 5: Solve for x
    x = 559,280,187,691.67/843,143.57
  6. Step 6: Final answer
    x = 663,327.35

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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.