Home / 1,557,972.30-2,336,693.49-435,780.30

Finding the Fourth Proportional to 1,557,972.30, 2,336,693.49 and 435,780.30

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Solution

The fourth proportional to 1,557,972.30, 2,336,693.49 and 435,780.30 is: 653,596.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,972.30 : 2,336,693.49 = 435,780.30 : x
  2. Step 2: Convert to fraction form
    1,557,972.30/2,336,693.49 = 435,780.30/x
  3. Step 3: Cross multiply
    1,557,972.30x = 2,336,693.49 × 435,780.30
  4. Step 4: Simplify right side
    1,557,972.30x = 1,018,284,990,080.25
  5. Step 5: Solve for x
    x = 1,018,284,990,080.25/1,557,972.30
  6. Step 6: Final answer
    x = 653,596.34

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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.