Home / 447,785.38-617,934.98-243,838.81

Finding the Fourth Proportional to 447,785.38, 617,934.98 and 243,838.81

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Solution

The fourth proportional to 447,785.38, 617,934.98 and 243,838.81 is: 336,492.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,785.38 : 617,934.98 = 243,838.81 : x
  2. Step 2: Convert to fraction form
    447,785.38/617,934.98 = 243,838.81/x
  3. Step 3: Cross multiply
    447,785.38x = 617,934.98 × 243,838.81
  4. Step 4: Simplify right side
    447,785.38x = 150,676,525,871.71
  5. Step 5: Solve for x
    x = 150,676,525,871.71/447,785.38
  6. Step 6: Final answer
    x = 336,492.74

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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.