Home / 958,254.71-1,322,407.38-522,672.20

Finding the Fourth Proportional to 958,254.71, 1,322,407.38 and 522,672.20

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Solution

The fourth proportional to 958,254.71, 1,322,407.38 and 522,672.20 is: 721,296.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,254.71 : 1,322,407.38 = 522,672.20 : x
  2. Step 2: Convert to fraction form
    958,254.71/1,322,407.38 = 522,672.20/x
  3. Step 3: Cross multiply
    958,254.71x = 1,322,407.38 × 522,672.20
  4. Step 4: Simplify right side
    958,254.71x = 691,185,574,907.85
  5. Step 5: Solve for x
    x = 691,185,574,907.85/958,254.71
  6. Step 6: Final answer
    x = 721,296.30

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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.