Home / 933,479.40-1,396,719.90-618,551.40

Finding the Fourth Proportional to 933,479.40, 1,396,719.90 and 618,551.40

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Solution

The fourth proportional to 933,479.40, 1,396,719.90 and 618,551.40 is: 925,508.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    933,479.40 : 1,396,719.90 = 618,551.40 : x
  2. Step 2: Convert to fraction form
    933,479.40/1,396,719.90 = 618,551.40/x
  3. Step 3: Cross multiply
    933,479.40x = 1,396,719.90 × 618,551.40
  4. Step 4: Simplify right side
    933,479.40x = 863,943,049,552.86
  5. Step 5: Solve for x
    x = 863,943,049,552.86/933,479.40
  6. Step 6: Final answer
    x = 925,508.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.