Home / 990,104.94-1,366,308.27-537,386.22

Finding the Fourth Proportional to 990,104.94, 1,366,308.27 and 537,386.22

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Solution

The fourth proportional to 990,104.94, 1,366,308.27 and 537,386.22 is: 741,573.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,104.94 : 1,366,308.27 = 537,386.22 : x
  2. Step 2: Convert to fraction form
    990,104.94/1,366,308.27 = 537,386.22/x
  3. Step 3: Cross multiply
    990,104.94x = 1,366,308.27 × 537,386.22
  4. Step 4: Simplify right side
    990,104.94x = 734,235,236,570.04
  5. Step 5: Solve for x
    x = 734,235,236,570.04/990,104.94
  6. Step 6: Final answer
    x = 741,573.15

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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.