Home / 497,262.36-686,042.06-325,278.50

Finding the Fourth Proportional to 497,262.36, 686,042.06 and 325,278.50

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Solution

The fourth proportional to 497,262.36, 686,042.06 and 325,278.50 is: 448,766.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,262.36 : 686,042.06 = 325,278.50 : x
  2. Step 2: Convert to fraction form
    497,262.36/686,042.06 = 325,278.50/x
  3. Step 3: Cross multiply
    497,262.36x = 686,042.06 × 325,278.50
  4. Step 4: Simplify right side
    497,262.36x = 223,154,727,157.11
  5. Step 5: Solve for x
    x = 223,154,727,157.11/497,262.36
  6. Step 6: Final answer
    x = 448,766.58

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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.