Home / 426,005.19-587,887.13-235,018.58

Finding the Fourth Proportional to 426,005.19, 587,887.13 and 235,018.58

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Solution

The fourth proportional to 426,005.19, 587,887.13 and 235,018.58 is: 324,325.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,005.19 : 587,887.13 = 235,018.58 : x
  2. Step 2: Convert to fraction form
    426,005.19/587,887.13 = 235,018.58/x
  3. Step 3: Cross multiply
    426,005.19x = 587,887.13 × 235,018.58
  4. Step 4: Simplify right side
    426,005.19x = 138,164,396,140.99
  5. Step 5: Solve for x
    x = 138,164,396,140.99/426,005.19
  6. Step 6: Final answer
    x = 324,325.62

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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.