Home / 1,102,261.83-1,521,209.15-618,858.69

Finding the Fourth Proportional to 1,102,261.83, 1,521,209.15 and 618,858.69

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Solution

The fourth proportional to 1,102,261.83, 1,521,209.15 and 618,858.69 is: 854,074.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,261.83 : 1,521,209.15 = 618,858.69 : x
  2. Step 2: Convert to fraction form
    1,102,261.83/1,521,209.15 = 618,858.69/x
  3. Step 3: Cross multiply
    1,102,261.83x = 1,521,209.15 × 618,858.69
  4. Step 4: Simplify right side
    1,102,261.83x = 941,413,501,785.01
  5. Step 5: Solve for x
    x = 941,413,501,785.01/1,102,261.83
  6. Step 6: Final answer
    x = 854,074.30

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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.