Home / 1,070,621.70-1,477,465.23-587,190.30

Finding the Fourth Proportional to 1,070,621.70, 1,477,465.23 and 587,190.30

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Solution

The fourth proportional to 1,070,621.70, 1,477,465.23 and 587,190.30 is: 810,326.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,621.70 : 1,477,465.23 = 587,190.30 : x
  2. Step 2: Convert to fraction form
    1,070,621.70/1,477,465.23 = 587,190.30/x
  3. Step 3: Cross multiply
    1,070,621.70x = 1,477,465.23 × 587,190.30
  4. Step 4: Simplify right side
    1,070,621.70x = 867,553,251,643.27
  5. Step 5: Solve for x
    x = 867,553,251,643.27/1,070,621.70
  6. Step 6: Final answer
    x = 810,326.61

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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.