Home / 990,268.20-1,366,574.22-560,631.24

Finding the Fourth Proportional to 990,268.20, 1,366,574.22 and 560,631.24

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Solution

The fourth proportional to 990,268.20, 1,366,574.22 and 560,631.24 is: 773,673.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    990,268.20 : 1,366,574.22 = 560,631.24 : x
  2. Step 2: Convert to fraction form
    990,268.20/1,366,574.22 = 560,631.24/x
  3. Step 3: Cross multiply
    990,268.20x = 1,366,574.22 × 560,631.24
  4. Step 4: Simplify right side
    990,268.20x = 766,144,199,510.63
  5. Step 5: Solve for x
    x = 766,144,199,510.63/990,268.20
  6. Step 6: Final answer
    x = 773,673.43

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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.