Home / 1,577,422.60-2,366,717.10-512,499.40

Finding the Fourth Proportional to 1,577,422.60, 2,366,717.10 and 512,499.40

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Solution

The fourth proportional to 1,577,422.60, 2,366,717.10 and 512,499.40 is: 768,938.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,422.60 : 2,366,717.10 = 512,499.40 : x
  2. Step 2: Convert to fraction form
    1,577,422.60/2,366,717.10 = 512,499.40/x
  3. Step 3: Cross multiply
    1,577,422.60x = 2,366,717.10 × 512,499.40
  4. Step 4: Simplify right side
    1,577,422.60x = 1,212,941,093,719.74
  5. Step 5: Solve for x
    x = 1,212,941,093,719.74/1,577,422.60
  6. Step 6: Final answer
    x = 768,938.58

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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.