Home / 808,569.76-1,115,602.32-522,101.92

Finding the Fourth Proportional to 808,569.76, 1,115,602.32 and 522,101.92

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Solution

The fourth proportional to 808,569.76, 1,115,602.32 and 522,101.92 is: 720,356.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,569.76 : 1,115,602.32 = 522,101.92 : x
  2. Step 2: Convert to fraction form
    808,569.76/1,115,602.32 = 522,101.92/x
  3. Step 3: Cross multiply
    808,569.76x = 1,115,602.32 × 522,101.92
  4. Step 4: Simplify right side
    808,569.76x = 582,458,113,228.46
  5. Step 5: Solve for x
    x = 582,458,113,228.46/808,569.76
  6. Step 6: Final answer
    x = 720,356.04

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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.