Home / 619,839.02-855,312.12-347,936.83

Finding the Fourth Proportional to 619,839.02, 855,312.12 and 347,936.83

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Solution

The fourth proportional to 619,839.02, 855,312.12 and 347,936.83 is: 480,115.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,839.02 : 855,312.12 = 347,936.83 : x
  2. Step 2: Convert to fraction form
    619,839.02/855,312.12 = 347,936.83/x
  3. Step 3: Cross multiply
    619,839.02x = 855,312.12 × 347,936.83
  4. Step 4: Simplify right side
    619,839.02x = 297,594,585,555.10
  5. Step 5: Solve for x
    x = 297,594,585,555.10/619,839.02
  6. Step 6: Final answer
    x = 480,115.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.