Home / 426,347.40-588,343.86-235,360.20

Finding the Fourth Proportional to 426,347.40, 588,343.86 and 235,360.20

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Solution

The fourth proportional to 426,347.40, 588,343.86 and 235,360.20 is: 324,788.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,347.40 : 588,343.86 = 235,360.20 : x
  2. Step 2: Convert to fraction form
    426,347.40/588,343.86 = 235,360.20/x
  3. Step 3: Cross multiply
    426,347.40x = 588,343.86 × 235,360.20
  4. Step 4: Simplify right side
    426,347.40x = 138,472,728,558.37
  5. Step 5: Solve for x
    x = 138,472,728,558.37/426,347.40
  6. Step 6: Final answer
    x = 324,788.49

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.