Home / 854,063.80-1,178,557.38-472,067.80

Finding the Fourth Proportional to 854,063.80, 1,178,557.38 and 472,067.80

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Solution

The fourth proportional to 854,063.80, 1,178,557.38 and 472,067.80 is: 651,425.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    854,063.80 : 1,178,557.38 = 472,067.80 : x
  2. Step 2: Convert to fraction form
    854,063.80/1,178,557.38 = 472,067.80/x
  3. Step 3: Cross multiply
    854,063.80x = 1,178,557.38 × 472,067.80
  4. Step 4: Simplify right side
    854,063.80x = 556,358,989,550.36
  5. Step 5: Solve for x
    x = 556,358,989,550.36/854,063.80
  6. Step 6: Final answer
    x = 651,425.56

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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.