Home / 1,577,147.10-2,365,720.65-512,296.80

Finding the Fourth Proportional to 1,577,147.10, 2,365,720.65 and 512,296.80

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Solution

The fourth proportional to 1,577,147.10, 2,365,720.65 and 512,296.80 is: 768,445.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,577,147.10 : 2,365,720.65 = 512,296.80 : x
  2. Step 2: Convert to fraction form
    1,577,147.10/2,365,720.65 = 512,296.80/x
  3. Step 3: Cross multiply
    1,577,147.10x = 2,365,720.65 × 512,296.80
  4. Step 4: Simplify right side
    1,577,147.10x = 1,211,951,118,688.92
  5. Step 5: Solve for x
    x = 1,211,951,118,688.92/1,577,147.10
  6. Step 6: Final answer
    x = 768,445.20

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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.