Home / 522,918.86-721,614.02-296,559.50

Finding the Fourth Proportional to 522,918.86, 721,614.02 and 296,559.50

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Solution

The fourth proportional to 522,918.86, 721,614.02 and 296,559.50 is: 409,244.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    522,918.86 : 721,614.02 = 296,559.50 : x
  2. Step 2: Convert to fraction form
    522,918.86/721,614.02 = 296,559.50/x
  3. Step 3: Cross multiply
    522,918.86x = 721,614.02 × 296,559.50
  4. Step 4: Simplify right side
    522,918.86x = 214,001,492,964.19
  5. Step 5: Solve for x
    x = 214,001,492,964.19/522,918.86
  6. Step 6: Final answer
    x = 409,244.17

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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.