Home / 679,595.73-1,017,175.55-499,633.58

Finding the Fourth Proportional to 679,595.73, 1,017,175.55 and 499,633.58

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Solution

The fourth proportional to 679,595.73, 1,017,175.55 and 499,633.58 is: 747,819.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,595.73 : 1,017,175.55 = 499,633.58 : x
  2. Step 2: Convert to fraction form
    679,595.73/1,017,175.55 = 499,633.58/x
  3. Step 3: Cross multiply
    679,595.73x = 1,017,175.55 × 499,633.58
  4. Step 4: Simplify right side
    679,595.73x = 508,215,053,950.92
  5. Step 5: Solve for x
    x = 508,215,053,950.92/679,595.73
  6. Step 6: Final answer
    x = 747,819.67

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.