Home / 822,200.63-1,233,513.72-253,569.15

Finding the Fourth Proportional to 822,200.63, 1,233,513.72 and 253,569.15

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Solution

The fourth proportional to 822,200.63, 1,233,513.72 and 253,569.15 is: 380,419.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,200.63 : 1,233,513.72 = 253,569.15 : x
  2. Step 2: Convert to fraction form
    822,200.63/1,233,513.72 = 253,569.15/x
  3. Step 3: Cross multiply
    822,200.63x = 1,233,513.72 × 253,569.15
  4. Step 4: Simplify right side
    822,200.63x = 312,781,025,493.74
  5. Step 5: Solve for x
    x = 312,781,025,493.74/822,200.63
  6. Step 6: Final answer
    x = 380,419.35

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.