Home / 1,240,799.40-1,861,199.10-530,899.20

Finding the Fourth Proportional to 1,240,799.40, 1,861,199.10 and 530,899.20

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Solution

The fourth proportional to 1,240,799.40, 1,861,199.10 and 530,899.20 is: 796,348.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,799.40 : 1,861,199.10 = 530,899.20 : x
  2. Step 2: Convert to fraction form
    1,240,799.40/1,861,199.10 = 530,899.20/x
  3. Step 3: Cross multiply
    1,240,799.40x = 1,861,199.10 × 530,899.20
  4. Step 4: Simplify right side
    1,240,799.40x = 988,109,113,230.72
  5. Step 5: Solve for x
    x = 988,109,113,230.72/1,240,799.40
  6. Step 6: Final answer
    x = 796,348.80

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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.