Home / 527,788.58-792,779.57-426,700.89

Finding the Fourth Proportional to 527,788.58, 792,779.57 and 426,700.89

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Solution

The fourth proportional to 527,788.58, 792,779.57 and 426,700.89 is: 640,937.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,788.58 : 792,779.57 = 426,700.89 : x
  2. Step 2: Convert to fraction form
    527,788.58/792,779.57 = 426,700.89/x
  3. Step 3: Cross multiply
    527,788.58x = 792,779.57 × 426,700.89
  4. Step 4: Simplify right side
    527,788.58x = 338,279,748,092.82
  5. Step 5: Solve for x
    x = 338,279,748,092.82/527,788.58
  6. Step 6: Final answer
    x = 640,937.98

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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.