Home / 706,612.20-1,058,363.10-425,639.40

Finding the Fourth Proportional to 706,612.20, 1,058,363.10 and 425,639.40

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Solution

The fourth proportional to 706,612.20, 1,058,363.10 and 425,639.40 is: 637,522.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,612.20 : 1,058,363.10 = 425,639.40 : x
  2. Step 2: Convert to fraction form
    706,612.20/1,058,363.10 = 425,639.40/x
  3. Step 3: Cross multiply
    706,612.20x = 1,058,363.10 × 425,639.40
  4. Step 4: Simplify right side
    706,612.20x = 450,481,034,866.14
  5. Step 5: Solve for x
    x = 450,481,034,866.14/706,612.20
  6. Step 6: Final answer
    x = 637,522.30

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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.