Home / 922,481.12-1,272,975.36-514,625.60

Finding the Fourth Proportional to 922,481.12, 1,272,975.36 and 514,625.60

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Solution

The fourth proportional to 922,481.12, 1,272,975.36 and 514,625.60 is: 710,156.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    922,481.12 : 1,272,975.36 = 514,625.60 : x
  2. Step 2: Convert to fraction form
    922,481.12/1,272,975.36 = 514,625.60/x
  3. Step 3: Cross multiply
    922,481.12x = 1,272,975.36 × 514,625.60
  4. Step 4: Simplify right side
    922,481.12x = 655,105,708,425.22
  5. Step 5: Solve for x
    x = 655,105,708,425.22/922,481.12
  6. Step 6: Final answer
    x = 710,156.22

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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.