Home / 370,189.46-554,441.56-289,725.68

Finding the Fourth Proportional to 370,189.46, 554,441.56 and 289,725.68

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Solution

The fourth proportional to 370,189.46, 554,441.56 and 289,725.68 is: 433,929.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    370,189.46 : 554,441.56 = 289,725.68 : x
  2. Step 2: Convert to fraction form
    370,189.46/554,441.56 = 289,725.68/x
  3. Step 3: Cross multiply
    370,189.46x = 554,441.56 × 289,725.68
  4. Step 4: Simplify right side
    370,189.46x = 160,635,957,991.26
  5. Step 5: Solve for x
    x = 160,635,957,991.26/370,189.46
  6. Step 6: Final answer
    x = 433,929.04

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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.