Home / 913,620.19-1,260,930.98-526,361.87

Finding the Fourth Proportional to 913,620.19, 1,260,930.98 and 526,361.87

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Solution

The fourth proportional to 913,620.19, 1,260,930.98 and 526,361.87 is: 726,457.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    913,620.19 : 1,260,930.98 = 526,361.87 : x
  2. Step 2: Convert to fraction form
    913,620.19/1,260,930.98 = 526,361.87/x
  3. Step 3: Cross multiply
    913,620.19x = 1,260,930.98 × 526,361.87
  4. Step 4: Simplify right side
    913,620.19x = 663,705,985,941.92
  5. Step 5: Solve for x
    x = 663,705,985,941.92/913,620.19
  6. Step 6: Final answer
    x = 726,457.23

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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.