Home / 1,314,264.90-1,970,549.76-515,627.22

Finding the Fourth Proportional to 1,314,264.90, 1,970,549.76 and 515,627.22

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Solution

The fourth proportional to 1,314,264.90, 1,970,549.76 and 515,627.22 is: 773,108.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,264.90 : 1,970,549.76 = 515,627.22 : x
  2. Step 2: Convert to fraction form
    1,314,264.90/1,970,549.76 = 515,627.22/x
  3. Step 3: Cross multiply
    1,314,264.90x = 1,970,549.76 × 515,627.22
  4. Step 4: Simplify right side
    1,314,264.90x = 1,016,069,094,620.47
  5. Step 5: Solve for x
    x = 1,016,069,094,620.47/1,314,264.90
  6. Step 6: Final answer
    x = 773,108.29

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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.