Home / 1,447,406.60-2,170,721.10-605,784.20

Finding the Fourth Proportional to 1,447,406.60, 2,170,721.10 and 605,784.20

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Solution

The fourth proportional to 1,447,406.60, 2,170,721.10 and 605,784.20 is: 908,513.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,406.60 : 2,170,721.10 = 605,784.20 : x
  2. Step 2: Convert to fraction form
    1,447,406.60/2,170,721.10 = 605,784.20/x
  3. Step 3: Cross multiply
    1,447,406.60x = 2,170,721.10 × 605,784.20
  4. Step 4: Simplify right side
    1,447,406.60x = 1,314,988,544,986.62
  5. Step 5: Solve for x
    x = 1,314,988,544,986.62/1,447,406.60
  6. Step 6: Final answer
    x = 908,513.58

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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.