Home / 450,578.08-621,936.24-259,719.04

Finding the Fourth Proportional to 450,578.08, 621,936.24 and 259,719.04

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Solution

The fourth proportional to 450,578.08, 621,936.24 and 259,719.04 is: 358,492.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    450,578.08 : 621,936.24 = 259,719.04 : x
  2. Step 2: Convert to fraction form
    450,578.08/621,936.24 = 259,719.04/x
  3. Step 3: Cross multiply
    450,578.08x = 621,936.24 × 259,719.04
  4. Step 4: Simplify right side
    450,578.08x = 161,528,683,194.01
  5. Step 5: Solve for x
    x = 161,528,683,194.01/450,578.08
  6. Step 6: Final answer
    x = 358,492.10

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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.