Home / 447,589.55-617,681.45-243,646.34

Finding the Fourth Proportional to 447,589.55, 617,681.45 and 243,646.34

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Solution

The fourth proportional to 447,589.55, 617,681.45 and 243,646.34 is: 336,236.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,589.55 : 617,681.45 = 243,646.34 : x
  2. Step 2: Convert to fraction form
    447,589.55/617,681.45 = 243,646.34/x
  3. Step 3: Cross multiply
    447,589.55x = 617,681.45 × 243,646.34
  4. Step 4: Simplify right side
    447,589.55x = 150,495,822,099.10
  5. Step 5: Solve for x
    x = 150,495,822,099.10/447,589.55
  6. Step 6: Final answer
    x = 336,236.23

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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.