Home / 919,967.52-1,269,555.02-512,060.59

Finding the Fourth Proportional to 919,967.52, 1,269,555.02 and 512,060.59

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Solution

The fourth proportional to 919,967.52, 1,269,555.02 and 512,060.59 is: 706,643.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    919,967.52 : 1,269,555.02 = 512,060.59 : x
  2. Step 2: Convert to fraction form
    919,967.52/1,269,555.02 = 512,060.59/x
  3. Step 3: Cross multiply
    919,967.52x = 1,269,555.02 × 512,060.59
  4. Step 4: Simplify right side
    919,967.52x = 650,089,086,384.28
  5. Step 5: Solve for x
    x = 650,089,086,384.28/919,967.52
  6. Step 6: Final answer
    x = 706,643.52

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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.