Home / 921,883.82-1,272,283.23-559,399.52

Finding the Fourth Proportional to 921,883.82, 1,272,283.23 and 559,399.52

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Solution

The fourth proportional to 921,883.82, 1,272,283.23 and 559,399.52 is: 772,022.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    921,883.82 : 1,272,283.23 = 559,399.52 : x
  2. Step 2: Convert to fraction form
    921,883.82/1,272,283.23 = 559,399.52/x
  3. Step 3: Cross multiply
    921,883.82x = 1,272,283.23 × 559,399.52
  4. Step 4: Simplify right side
    921,883.82x = 711,714,628,166.05
  5. Step 5: Solve for x
    x = 711,714,628,166.05/921,883.82
  6. Step 6: Final answer
    x = 772,022.04

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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.