Home / 706,911.40-1,058,811.90-613,599.40

Finding the Fourth Proportional to 706,911.40, 1,058,811.90 and 613,599.40

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Solution

The fourth proportional to 706,911.40, 1,058,811.90 and 613,599.40 is: 919,049.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,911.40 : 1,058,811.90 = 613,599.40 : x
  2. Step 2: Convert to fraction form
    706,911.40/1,058,811.90 = 613,599.40/x
  3. Step 3: Cross multiply
    706,911.40x = 1,058,811.90 × 613,599.40
  4. Step 4: Simplify right side
    706,911.40x = 649,686,346,552.86
  5. Step 5: Solve for x
    x = 649,686,346,552.86/706,911.40
  6. Step 6: Final answer
    x = 919,049.19

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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.