Home / 1,447,405.60-2,170,719.60-605,783.20

Finding the Fourth Proportional to 1,447,405.60, 2,170,719.60 and 605,783.20

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Solution

The fourth proportional to 1,447,405.60, 2,170,719.60 and 605,783.20 is: 908,512.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,447,405.60 : 2,170,719.60 = 605,783.20 : x
  2. Step 2: Convert to fraction form
    1,447,405.60/2,170,719.60 = 605,783.20/x
  3. Step 3: Cross multiply
    1,447,405.60x = 2,170,719.60 × 605,783.20
  4. Step 4: Simplify right side
    1,447,405.60x = 1,314,985,465,590.72
  5. Step 5: Solve for x
    x = 1,314,985,465,590.72/1,447,405.60
  6. Step 6: Final answer
    x = 908,512.08

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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.