Home / 1,273,338.12-1,909,799.59-374,569.66

Finding the Fourth Proportional to 1,273,338.12, 1,909,799.59 and 374,569.66

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Solution

The fourth proportional to 1,273,338.12, 1,909,799.59 and 374,569.66 is: 561,793.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,273,338.12 : 1,909,799.59 = 374,569.66 : x
  2. Step 2: Convert to fraction form
    1,273,338.12/1,909,799.59 = 374,569.66/x
  3. Step 3: Cross multiply
    1,273,338.12x = 1,909,799.59 × 374,569.66
  4. Step 4: Simplify right side
    1,273,338.12x = 715,352,983,094.44
  5. Step 5: Solve for x
    x = 715,352,983,094.44/1,273,338.12
  6. Step 6: Final answer
    x = 561,793.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.