Home / 890,875.26-1,331,419.44-651,491.73

Finding the Fourth Proportional to 890,875.26, 1,331,419.44 and 651,491.73

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Solution

The fourth proportional to 890,875.26, 1,331,419.44 and 651,491.73 is: 973,659.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,875.26 : 1,331,419.44 = 651,491.73 : x
  2. Step 2: Convert to fraction form
    890,875.26/1,331,419.44 = 651,491.73/x
  3. Step 3: Cross multiply
    890,875.26x = 1,331,419.44 × 651,491.73
  4. Step 4: Simplify right side
    890,875.26x = 867,408,754,321.23
  5. Step 5: Solve for x
    x = 867,408,754,321.23/890,875.26
  6. Step 6: Final answer
    x = 973,659.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.