Home / 497,194.14-686,076.78-279,368.22

Finding the Fourth Proportional to 497,194.14, 686,076.78 and 279,368.22

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Solution

The fourth proportional to 497,194.14, 686,076.78 and 279,368.22 is: 385,499.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    497,194.14 : 686,076.78 = 279,368.22 : x
  2. Step 2: Convert to fraction form
    497,194.14/686,076.78 = 279,368.22/x
  3. Step 3: Cross multiply
    497,194.14x = 686,076.78 × 279,368.22
  4. Step 4: Simplify right side
    497,194.14x = 191,668,048,811.93
  5. Step 5: Solve for x
    x = 191,668,048,811.93/497,194.14
  6. Step 6: Final answer
    x = 385,499.41

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1.5x scale

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.