Home / 1,128,711.02-1,693,620.05-529,720.88

Finding the Fourth Proportional to 1,128,711.02, 1,693,620.05 and 529,720.88

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Solution

The fourth proportional to 1,128,711.02, 1,693,620.05 and 529,720.88 is: 794,841.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,128,711.02 : 1,693,620.05 = 529,720.88 : x
  2. Step 2: Convert to fraction form
    1,128,711.02/1,693,620.05 = 529,720.88/x
  3. Step 3: Cross multiply
    1,128,711.02x = 1,693,620.05 × 529,720.88
  4. Step 4: Simplify right side
    1,128,711.02x = 897,145,892,154.94
  5. Step 5: Solve for x
    x = 897,145,892,154.94/1,128,711.02
  6. Step 6: Final answer
    x = 794,841.09

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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.