Home / 426,418.49-588,457.37-245,165.87

Finding the Fourth Proportional to 426,418.49, 588,457.37 and 245,165.87

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Solution

The fourth proportional to 426,418.49, 588,457.37 and 245,165.87 is: 338,328.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,418.49 : 588,457.37 = 245,165.87 : x
  2. Step 2: Convert to fraction form
    426,418.49/588,457.37 = 245,165.87/x
  3. Step 3: Cross multiply
    426,418.49x = 588,457.37 × 245,165.87
  4. Step 4: Simplify right side
    426,418.49x = 144,269,665,158.02
  5. Step 5: Solve for x
    x = 144,269,665,158.02/426,418.49
  6. Step 6: Final answer
    x = 338,328.82

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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.