Home / 447,111.63-617,008.08-243,158.15

Finding the Fourth Proportional to 447,111.63, 617,008.08 and 243,158.15

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Solution

The fourth proportional to 447,111.63, 617,008.08 and 243,158.15 is: 335,555.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,111.63 : 617,008.08 = 243,158.15 : x
  2. Step 2: Convert to fraction form
    447,111.63/617,008.08 = 243,158.15/x
  3. Step 3: Cross multiply
    447,111.63x = 617,008.08 × 243,158.15
  4. Step 4: Simplify right side
    447,111.63x = 150,030,545,722.22
  5. Step 5: Solve for x
    x = 150,030,545,722.22/447,111.63
  6. Step 6: Final answer
    x = 335,555.01

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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.