Home / 1,585,241.80-2,378,150.70-519,987.40

Finding the Fourth Proportional to 1,585,241.80, 2,378,150.70 and 519,987.40

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Solution

The fourth proportional to 1,585,241.80, 2,378,150.70 and 519,987.40 is: 780,075.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,241.80 : 2,378,150.70 = 519,987.40 : x
  2. Step 2: Convert to fraction form
    1,585,241.80/2,378,150.70 = 519,987.40/x
  3. Step 3: Cross multiply
    1,585,241.80x = 2,378,150.70 × 519,987.40
  4. Step 4: Simplify right side
    1,585,241.80x = 1,236,608,399,301.18
  5. Step 5: Solve for x
    x = 1,236,608,399,301.18/1,585,241.80
  6. Step 6: Final answer
    x = 780,075.57

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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.