Home / 810,244.35-1,118,159.76-447,691.58

Finding the Fourth Proportional to 810,244.35, 1,118,159.76 and 447,691.58

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Solution

The fourth proportional to 810,244.35, 1,118,159.76 and 447,691.58 is: 617,826.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,244.35 : 1,118,159.76 = 447,691.58 : x
  2. Step 2: Convert to fraction form
    810,244.35/1,118,159.76 = 447,691.58/x
  3. Step 3: Cross multiply
    810,244.35x = 1,118,159.76 × 447,691.58
  4. Step 4: Simplify right side
    810,244.35x = 500,590,704,423.04
  5. Step 5: Solve for x
    x = 500,590,704,423.04/810,244.35
  6. Step 6: Final answer
    x = 617,826.84

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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.