Home / 934,343.40-1,401,515.10-747,719.40

Finding the Fourth Proportional to 934,343.40, 1,401,515.10 and 747,719.40

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Solution

The fourth proportional to 934,343.40, 1,401,515.10 and 747,719.40 is: 1,121,579.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,343.40 : 1,401,515.10 = 747,719.40 : x
  2. Step 2: Convert to fraction form
    934,343.40/1,401,515.10 = 747,719.40/x
  3. Step 3: Cross multiply
    934,343.40x = 1,401,515.10 × 747,719.40
  4. Step 4: Simplify right side
    934,343.40x = 1,047,940,029,662.94
  5. Step 5: Solve for x
    x = 1,047,940,029,662.94/934,343.40
  6. Step 6: Final answer
    x = 1,121,579.10

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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.