Home / 1,048,629.71-1,569,561.45-542,493.69

Finding the Fourth Proportional to 1,048,629.71, 1,569,561.45 and 542,493.69

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Solution

The fourth proportional to 1,048,629.71, 1,569,561.45 and 542,493.69 is: 811,990.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,048,629.71 : 1,569,561.45 = 542,493.69 : x
  2. Step 2: Convert to fraction form
    1,048,629.71/1,569,561.45 = 542,493.69/x
  3. Step 3: Cross multiply
    1,048,629.71x = 1,569,561.45 × 542,493.69
  4. Step 4: Simplify right side
    1,048,629.71x = 851,477,182,692.25
  5. Step 5: Solve for x
    x = 851,477,182,692.25/1,048,629.71
  6. Step 6: Final answer
    x = 811,990.33

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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.