Home / 1,070,731.28-1,477,650.52-587,316.80

Finding the Fourth Proportional to 1,070,731.28, 1,477,650.52 and 587,316.80

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Solution

The fourth proportional to 1,070,731.28, 1,477,650.52 and 587,316.80 is: 810,519.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,731.28 : 1,477,650.52 = 587,316.80 : x
  2. Step 2: Convert to fraction form
    1,070,731.28/1,477,650.52 = 587,316.80/x
  3. Step 3: Cross multiply
    1,070,731.28x = 1,477,650.52 × 587,316.80
  4. Step 4: Simplify right side
    1,070,731.28x = 867,848,974,924.74
  5. Step 5: Solve for x
    x = 867,848,974,924.74/1,070,731.28
  6. Step 6: Final answer
    x = 810,519.87

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.