Home / 1,269,897.10-1,904,845.65-512,101.60

Finding the Fourth Proportional to 1,269,897.10, 1,904,845.65 and 512,101.60

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Solution

The fourth proportional to 1,269,897.10, 1,904,845.65 and 512,101.60 is: 768,152.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,897.10 : 1,904,845.65 = 512,101.60 : x
  2. Step 2: Convert to fraction form
    1,269,897.10/1,904,845.65 = 512,101.60/x
  3. Step 3: Cross multiply
    1,269,897.10x = 1,904,845.65 × 512,101.60
  4. Step 4: Simplify right side
    1,269,897.10x = 975,474,505,118.04
  5. Step 5: Solve for x
    x = 975,474,505,118.04/1,269,897.10
  6. Step 6: Final answer
    x = 768,152.40

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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.