Home / 648,148.16-894,632.20-376,277.12

Finding the Fourth Proportional to 648,148.16, 894,632.20 and 376,277.12

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Solution

The fourth proportional to 648,148.16, 894,632.20 and 376,277.12 is: 519,371.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    648,148.16 : 894,632.20 = 376,277.12 : x
  2. Step 2: Convert to fraction form
    648,148.16/894,632.20 = 376,277.12/x
  3. Step 3: Cross multiply
    648,148.16x = 894,632.20 × 376,277.12
  4. Step 4: Simplify right side
    648,148.16x = 336,629,627,675.26
  5. Step 5: Solve for x
    x = 336,629,627,675.26/648,148.16
  6. Step 6: Final answer
    x = 519,371.42

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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.