Home / 990,048.32-1,366,268-537,339.36

Finding the Fourth Proportional to 990,048.32, 1,366,268 and 537,339.36

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Solution

The fourth proportional to 990,048.32, 1,366,268 and 537,339.36 is: 741,529.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,048.32 : 1,366,268 = 537,339.36 : x
  2. Step 2: Convert to fraction form
    990,048.32/1,366,268 = 537,339.36/x
  3. Step 3: Cross multiply
    990,048.32x = 1,366,268 × 537,339.36
  4. Step 4: Simplify right side
    990,048.32x = 734,149,572,708.48
  5. Step 5: Solve for x
    x = 734,149,572,708.48/990,048.32
  6. Step 6: Final answer
    x = 741,529.03

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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.