Home / 1,277,104.40-1,915,915.80-435,741.20

Finding the Fourth Proportional to 1,277,104.40, 1,915,915.80 and 435,741.20

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Solution

The fourth proportional to 1,277,104.40, 1,915,915.80 and 435,741.20 is: 653,700.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,104.40 : 1,915,915.80 = 435,741.20 : x
  2. Step 2: Convert to fraction form
    1,277,104.40/1,915,915.80 = 435,741.20/x
  3. Step 3: Cross multiply
    1,277,104.40x = 1,915,915.80 × 435,741.20
  4. Step 4: Simplify right side
    1,277,104.40x = 834,843,449,790.96
  5. Step 5: Solve for x
    x = 834,843,449,790.96/1,277,104.40
  6. Step 6: Final answer
    x = 653,700.24

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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.