Home / 1,356,347.20-2,034,520.80-409,619.20

Finding the Fourth Proportional to 1,356,347.20, 2,034,520.80 and 409,619.20

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Solution

The fourth proportional to 1,356,347.20, 2,034,520.80 and 409,619.20 is: 614,428.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,347.20 : 2,034,520.80 = 409,619.20 : x
  2. Step 2: Convert to fraction form
    1,356,347.20/2,034,520.80 = 409,619.20/x
  3. Step 3: Cross multiply
    1,356,347.20x = 2,034,520.80 × 409,619.20
  4. Step 4: Simplify right side
    1,356,347.20x = 833,378,782,479.36
  5. Step 5: Solve for x
    x = 833,378,782,479.36/1,356,347.20
  6. Step 6: Final answer
    x = 614,428.80

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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.