Home / 1,059,364.80-1,589,047.20-490,744.80

Finding the Fourth Proportional to 1,059,364.80, 1,589,047.20 and 490,744.80

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Solution

The fourth proportional to 1,059,364.80, 1,589,047.20 and 490,744.80 is: 736,117.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,059,364.80 : 1,589,047.20 = 490,744.80 : x
  2. Step 2: Convert to fraction form
    1,059,364.80/1,589,047.20 = 490,744.80/x
  3. Step 3: Cross multiply
    1,059,364.80x = 1,589,047.20 × 490,744.80
  4. Step 4: Simplify right side
    1,059,364.80x = 779,816,650,354.56
  5. Step 5: Solve for x
    x = 779,816,650,354.56/1,059,364.80
  6. Step 6: Final answer
    x = 736,117.20

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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.