Home / 1,087,851.90-1,631,531.88-413,692.96

Finding the Fourth Proportional to 1,087,851.90, 1,631,531.88 and 413,692.96

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Solution

The fourth proportional to 1,087,851.90, 1,631,531.88 and 413,692.96 is: 620,445.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,087,851.90 : 1,631,531.88 = 413,692.96 : x
  2. Step 2: Convert to fraction form
    1,087,851.90/1,631,531.88 = 413,692.96/x
  3. Step 3: Cross multiply
    1,087,851.90x = 1,631,531.88 × 413,692.96
  4. Step 4: Simplify right side
    1,087,851.90x = 674,953,252,771.57
  5. Step 5: Solve for x
    x = 674,953,252,771.57/1,087,851.90
  6. Step 6: Final answer
    x = 620,445.90

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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.