Home / 1,561,817.35-2,342,915.60-439,886.35

Finding the Fourth Proportional to 1,561,817.35, 2,342,915.60 and 439,886.35

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Solution

The fourth proportional to 1,561,817.35, 2,342,915.60 and 439,886.35 is: 659,882.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,561,817.35 : 2,342,915.60 = 439,886.35 : x
  2. Step 2: Convert to fraction form
    1,561,817.35/2,342,915.60 = 439,886.35/x
  3. Step 3: Cross multiply
    1,561,817.35x = 2,342,915.60 × 439,886.35
  4. Step 4: Simplify right side
    1,561,817.35x = 1,030,616,598,599.06
  5. Step 5: Solve for x
    x = 1,030,616,598,599.06/1,561,817.35
  6. Step 6: Final answer
    x = 659,882.92

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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.