Home / 5,087,179.40-7,630,769.10-1,300,461.80

Finding the Fourth Proportional to 5,087,179.40, 7,630,769.10 and 1,300,461.80

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Solution

The fourth proportional to 5,087,179.40, 7,630,769.10 and 1,300,461.80 is: 1,950,692.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    5,087,179.40 : 7,630,769.10 = 1,300,461.80 : x
  2. Step 2: Convert to fraction form
    5,087,179.40/7,630,769.10 = 1,300,461.80/x
  3. Step 3: Cross multiply
    5,087,179.40x = 7,630,769.10 × 1,300,461.80
  4. Step 4: Simplify right side
    5,087,179.40x = 9,923,523,719,170.38
  5. Step 5: Solve for x
    x = 9,923,523,719,170.38/5,087,179.40
  6. Step 6: Final answer
    x = 1,950,692.70

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1.5x scale

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.