Home / 965,138.01-1,331,892.02-535,418.15

Finding the Fourth Proportional to 965,138.01, 1,331,892.02 and 535,418.15

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Solution

The fourth proportional to 965,138.01, 1,331,892.02 and 535,418.15 is: 738,877.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    965,138.01 : 1,331,892.02 = 535,418.15 : x
  2. Step 2: Convert to fraction form
    965,138.01/1,331,892.02 = 535,418.15/x
  3. Step 3: Cross multiply
    965,138.01x = 1,331,892.02 × 535,418.15
  4. Step 4: Simplify right side
    965,138.01x = 713,119,156,027.25
  5. Step 5: Solve for x
    x = 713,119,156,027.25/965,138.01
  6. Step 6: Final answer
    x = 738,877.91

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.