Home / 706,055.74-1,058,488.36-306,395.46

Finding the Fourth Proportional to 706,055.74, 1,058,488.36 and 306,395.46

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Solution

The fourth proportional to 706,055.74, 1,058,488.36 and 306,395.46 is: 459,334.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,055.74 : 1,058,488.36 = 306,395.46 : x
  2. Step 2: Convert to fraction form
    706,055.74/1,058,488.36 = 306,395.46/x
  3. Step 3: Cross multiply
    706,055.74x = 1,058,488.36 × 306,395.46
  4. Step 4: Simplify right side
    706,055.74x = 324,316,027,200.86
  5. Step 5: Solve for x
    x = 324,316,027,200.86/706,055.74
  6. Step 6: Final answer
    x = 459,334.88

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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.