Home / 447,140.19-617,055.08-243,191.10

Finding the Fourth Proportional to 447,140.19, 617,055.08 and 243,191.10

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Solution

The fourth proportional to 447,140.19, 617,055.08 and 243,191.10 is: 335,604.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,140.19 : 617,055.08 = 243,191.10 : x
  2. Step 2: Convert to fraction form
    447,140.19/617,055.08 = 243,191.10/x
  3. Step 3: Cross multiply
    447,140.19x = 617,055.08 × 243,191.10
  4. Step 4: Simplify right side
    447,140.19x = 150,062,303,665.79
  5. Step 5: Solve for x
    x = 150,062,303,665.79/447,140.19
  6. Step 6: Final answer
    x = 335,604.60

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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.