Home / 1,090,507.41-1,505,041.56-625,542.57

Finding the Fourth Proportional to 1,090,507.41, 1,505,041.56 and 625,542.57

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Solution

The fourth proportional to 1,090,507.41, 1,505,041.56 and 625,542.57 is: 863,329.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,090,507.41 : 1,505,041.56 = 625,542.57 : x
  2. Step 2: Convert to fraction form
    1,090,507.41/1,505,041.56 = 625,542.57/x
  3. Step 3: Cross multiply
    1,090,507.41x = 1,505,041.56 × 625,542.57
  4. Step 4: Simplify right side
    1,090,507.41x = 941,467,565,399.21
  5. Step 5: Solve for x
    x = 941,467,565,399.21/1,090,507.41
  6. Step 6: Final answer
    x = 863,329.82

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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.