Home / 1,269,895.60-1,904,843.40-512,100.10

Finding the Fourth Proportional to 1,269,895.60, 1,904,843.40 and 512,100.10

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Solution

The fourth proportional to 1,269,895.60, 1,904,843.40 and 512,100.10 is: 768,150.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,269,895.60 : 1,904,843.40 = 512,100.10 : x
  2. Step 2: Convert to fraction form
    1,269,895.60/1,904,843.40 = 512,100.10/x
  3. Step 3: Cross multiply
    1,269,895.60x = 1,904,843.40 × 512,100.10
  4. Step 4: Simplify right side
    1,269,895.60x = 975,470,495,624.34
  5. Step 5: Solve for x
    x = 975,470,495,624.34/1,269,895.60
  6. Step 6: Final answer
    x = 768,150.15

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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.