Home / 990,119.44-1,366,328.24-537,400.72

Finding the Fourth Proportional to 990,119.44, 1,366,328.24 and 537,400.72

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Solution

The fourth proportional to 990,119.44, 1,366,328.24 and 537,400.72 is: 741,593.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,119.44 : 1,366,328.24 = 537,400.72 : x
  2. Step 2: Convert to fraction form
    990,119.44/1,366,328.24 = 537,400.72/x
  3. Step 3: Cross multiply
    990,119.44x = 1,366,328.24 × 537,400.72
  4. Step 4: Simplify right side
    990,119.44x = 734,265,779,932.33
  5. Step 5: Solve for x
    x = 734,265,779,932.33/990,119.44
  6. Step 6: Final answer
    x = 741,593.14

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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.