Home / 652,100.88-899,684.10-393,881.34

Finding the Fourth Proportional to 652,100.88, 899,684.10 and 393,881.34

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Solution

The fourth proportional to 652,100.88, 899,684.10 and 393,881.34 is: 543,426.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    652,100.88 : 899,684.10 = 393,881.34 : x
  2. Step 2: Convert to fraction form
    652,100.88/899,684.10 = 393,881.34/x
  3. Step 3: Cross multiply
    652,100.88x = 899,684.10 × 393,881.34
  4. Step 4: Simplify right side
    652,100.88x = 354,368,778,884.69
  5. Step 5: Solve for x
    x = 354,368,778,884.69/652,100.88
  6. Step 6: Final answer
    x = 543,426.32

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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.