Home / 1,705,205.28-2,557,063.80-906,294.72

Finding the Fourth Proportional to 1,705,205.28, 2,557,063.80 and 906,294.72

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Solution

The fourth proportional to 1,705,205.28, 2,557,063.80 and 906,294.72 is: 1,359,046.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,705,205.28 : 2,557,063.80 = 906,294.72 : x
  2. Step 2: Convert to fraction form
    1,705,205.28/2,557,063.80 = 906,294.72/x
  3. Step 3: Cross multiply
    1,705,205.28x = 2,557,063.80 × 906,294.72
  4. Step 4: Simplify right side
    1,705,205.28x = 2,317,453,420,643.14
  5. Step 5: Solve for x
    x = 2,317,453,420,643.14/1,705,205.28
  6. Step 6: Final answer
    x = 1,359,046.59

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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.