Home / 1,136,574.95-1,568,476.79-620,333.60

Finding the Fourth Proportional to 1,136,574.95, 1,568,476.79 and 620,333.60

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Solution

The fourth proportional to 1,136,574.95, 1,568,476.79 and 620,333.60 is: 856,062.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,136,574.95 : 1,568,476.79 = 620,333.60 : x
  2. Step 2: Convert to fraction form
    1,136,574.95/1,568,476.79 = 620,333.60/x
  3. Step 3: Cross multiply
    1,136,574.95x = 1,568,476.79 × 620,333.60
  4. Step 4: Simplify right side
    1,136,574.95x = 972,978,842,713.09
  5. Step 5: Solve for x
    x = 972,978,842,713.09/1,136,574.95
  6. Step 6: Final answer
    x = 856,062.20

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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.