Home / 1,135,021.23-1,566,340-625,741.83

Finding the Fourth Proportional to 1,135,021.23, 1,566,340 and 625,741.83

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Solution

The fourth proportional to 1,135,021.23, 1,566,340 and 625,741.83 is: 863,529.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,021.23 : 1,566,340 = 625,741.83 : x
  2. Step 2: Convert to fraction form
    1,135,021.23/1,566,340 = 625,741.83/x
  3. Step 3: Cross multiply
    1,135,021.23x = 1,566,340 × 625,741.83
  4. Step 4: Simplify right side
    1,135,021.23x = 980,124,458,002.20
  5. Step 5: Solve for x
    x = 980,124,458,002.20/1,135,021.23
  6. Step 6: Final answer
    x = 863,529.63

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Double scale
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1.5x scale

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.