Home / 749,675.05-1,124,174.50-370,447.88

Finding the Fourth Proportional to 749,675.05, 1,124,174.50 and 370,447.88

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Solution

The fourth proportional to 749,675.05, 1,124,174.50 and 370,447.88 is: 555,504.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,675.05 : 1,124,174.50 = 370,447.88 : x
  2. Step 2: Convert to fraction form
    749,675.05/1,124,174.50 = 370,447.88/x
  3. Step 3: Cross multiply
    749,675.05x = 1,124,174.50 × 370,447.88
  4. Step 4: Simplify right side
    749,675.05x = 416,448,060,051.55
  5. Step 5: Solve for x
    x = 416,448,060,051.55/749,675.05
  6. Step 6: Final answer
    x = 555,504.76

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Double scale
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Similar ratio
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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.