Home / 447,387.71-617,194.28-302,146.27

Finding the Fourth Proportional to 447,387.71, 617,194.28 and 302,146.27

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Solution

The fourth proportional to 447,387.71, 617,194.28 and 302,146.27 is: 416,826.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    447,387.71 : 617,194.28 = 302,146.27 : x
  2. Step 2: Convert to fraction form
    447,387.71/617,194.28 = 302,146.27/x
  3. Step 3: Cross multiply
    447,387.71x = 617,194.28 × 302,146.27
  4. Step 4: Simplify right side
    447,387.71x = 186,482,948,779.72
  5. Step 5: Solve for x
    x = 186,482,948,779.72/447,387.71
  6. Step 6: Final answer
    x = 416,826.27

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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.