Home / 603,719.19-833,078.25-331,784.10

Finding the Fourth Proportional to 603,719.19, 833,078.25 and 331,784.10

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Solution

The fourth proportional to 603,719.19, 833,078.25 and 331,784.10 is: 457,832.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    603,719.19 : 833,078.25 = 331,784.10 : x
  2. Step 2: Convert to fraction form
    603,719.19/833,078.25 = 331,784.10/x
  3. Step 3: Cross multiply
    603,719.19x = 833,078.25 × 331,784.10
  4. Step 4: Simplify right side
    603,719.19x = 276,402,117,405.83
  5. Step 5: Solve for x
    x = 276,402,117,405.83/603,719.19
  6. Step 6: Final answer
    x = 457,832.25

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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.