Home / 1,277,099.40-1,915,908.30-435,736.20

Finding the Fourth Proportional to 1,277,099.40, 1,915,908.30 and 435,736.20

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Solution

The fourth proportional to 1,277,099.40, 1,915,908.30 and 435,736.20 is: 653,692.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,099.40 : 1,915,908.30 = 435,736.20 : x
  2. Step 2: Convert to fraction form
    1,277,099.40/1,915,908.30 = 435,736.20/x
  3. Step 3: Cross multiply
    1,277,099.40x = 1,915,908.30 × 435,736.20
  4. Step 4: Simplify right side
    1,277,099.40x = 834,830,602,190.46
  5. Step 5: Solve for x
    x = 834,830,602,190.46/1,277,099.40
  6. Step 6: Final answer
    x = 653,692.74

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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.