Home / 623,981.22-861,021.27-352,053.42

Finding the Fourth Proportional to 623,981.22, 861,021.27 and 352,053.42

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Solution

The fourth proportional to 623,981.22, 861,021.27 and 352,053.42 is: 485,792.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,981.22 : 861,021.27 = 352,053.42 : x
  2. Step 2: Convert to fraction form
    623,981.22/861,021.27 = 352,053.42/x
  3. Step 3: Cross multiply
    623,981.22x = 861,021.27 × 352,053.42
  4. Step 4: Simplify right side
    623,981.22x = 303,125,482,796.24
  5. Step 5: Solve for x
    x = 303,125,482,796.24/623,981.22
  6. Step 6: Final answer
    x = 485,792.64

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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.