Home / 1,017,991.80-1,526,987.70-386,872.20

Finding the Fourth Proportional to 1,017,991.80, 1,526,987.70 and 386,872.20

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Solution

The fourth proportional to 1,017,991.80, 1,526,987.70 and 386,872.20 is: 580,308.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,017,991.80 : 1,526,987.70 = 386,872.20 : x
  2. Step 2: Convert to fraction form
    1,017,991.80/1,526,987.70 = 386,872.20/x
  3. Step 3: Cross multiply
    1,017,991.80x = 1,526,987.70 × 386,872.20
  4. Step 4: Simplify right side
    1,017,991.80x = 590,749,090,871.94
  5. Step 5: Solve for x
    x = 590,749,090,871.94/1,017,991.80
  6. Step 6: Final answer
    x = 580,308.30

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.