Home / 746,530.60-1,119,795.90-447,932.20

Finding the Fourth Proportional to 746,530.60, 1,119,795.90 and 447,932.20

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Solution

The fourth proportional to 746,530.60, 1,119,795.90 and 447,932.20 is: 671,898.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,530.60 : 1,119,795.90 = 447,932.20 : x
  2. Step 2: Convert to fraction form
    746,530.60/1,119,795.90 = 447,932.20/x
  3. Step 3: Cross multiply
    746,530.60x = 1,119,795.90 × 447,932.20
  4. Step 4: Simplify right side
    746,530.60x = 501,592,641,037.98
  5. Step 5: Solve for x
    x = 501,592,641,037.98/746,530.60
  6. Step 6: Final answer
    x = 671,898.30

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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.