Home / 839,118.20-1,259,114.70-365,851.40

Finding the Fourth Proportional to 839,118.20, 1,259,114.70 and 365,851.40

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Solution

The fourth proportional to 839,118.20, 1,259,114.70 and 365,851.40 is: 548,967.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,118.20 : 1,259,114.70 = 365,851.40 : x
  2. Step 2: Convert to fraction form
    839,118.20/1,259,114.70 = 365,851.40/x
  3. Step 3: Cross multiply
    839,118.20x = 1,259,114.70 × 365,851.40
  4. Step 4: Simplify right side
    839,118.20x = 460,648,875,755.58
  5. Step 5: Solve for x
    x = 460,648,875,755.58/839,118.20
  6. Step 6: Final answer
    x = 548,967.80

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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.