Home / 2,659,903.12-3,989,127.80-953,729.65

Finding the Fourth Proportional to 2,659,903.12, 3,989,127.80 and 953,729.65

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Solution

The fourth proportional to 2,659,903.12, 3,989,127.80 and 953,729.65 is: 1,430,333.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,659,903.12 : 3,989,127.80 = 953,729.65 : x
  2. Step 2: Convert to fraction form
    2,659,903.12/3,989,127.80 = 953,729.65/x
  3. Step 3: Cross multiply
    2,659,903.12x = 3,989,127.80 × 953,729.65
  4. Step 4: Simplify right side
    2,659,903.12x = 3,804,549,455,730.62
  5. Step 5: Solve for x
    x = 3,804,549,455,730.62/2,659,903.12
  6. Step 6: Final answer
    x = 1,430,333.84

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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.