Home / 618,500.06-928,106.90-334,191.41

Finding the Fourth Proportional to 618,500.06, 928,106.90 and 334,191.41

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Solution

The fourth proportional to 618,500.06, 928,106.90 and 334,191.41 is: 501,479.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,500.06 : 928,106.90 = 334,191.41 : x
  2. Step 2: Convert to fraction form
    618,500.06/928,106.90 = 334,191.41/x
  3. Step 3: Cross multiply
    618,500.06x = 928,106.90 × 334,191.41
  4. Step 4: Simplify right side
    618,500.06x = 310,165,347,230.24
  5. Step 5: Solve for x
    x = 310,165,347,230.24/618,500.06
  6. Step 6: Final answer
    x = 501,479.90

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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.