Home / 346,986.20-519,701.70-284,778.20

Finding the Fourth Proportional to 346,986.20, 519,701.70 and 284,778.20

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Solution

The fourth proportional to 346,986.20, 519,701.70 and 284,778.20 is: 426,529.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    346,986.20 : 519,701.70 = 284,778.20 : x
  2. Step 2: Convert to fraction form
    346,986.20/519,701.70 = 284,778.20/x
  3. Step 3: Cross multiply
    346,986.20x = 519,701.70 × 284,778.20
  4. Step 4: Simplify right side
    346,986.20x = 147,999,714,662.94
  5. Step 5: Solve for x
    x = 147,999,714,662.94/346,986.20
  6. Step 6: Final answer
    x = 426,529.11

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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.