Home / 684,175.38-943,168.77-479,588.82

Finding the Fourth Proportional to 684,175.38, 943,168.77 and 479,588.82

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Solution

The fourth proportional to 684,175.38, 943,168.77 and 479,588.82 is: 661,136.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    684,175.38 : 943,168.77 = 479,588.82 : x
  2. Step 2: Convert to fraction form
    684,175.38/943,168.77 = 479,588.82/x
  3. Step 3: Cross multiply
    684,175.38x = 943,168.77 × 479,588.82
  4. Step 4: Simplify right side
    684,175.38x = 452,333,197,465.15
  5. Step 5: Solve for x
    x = 452,333,197,465.15/684,175.38
  6. Step 6: Final answer
    x = 661,136.33

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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.