Home / 1,356,460.80-2,035,015.20-409,840.80

Finding the Fourth Proportional to 1,356,460.80, 2,035,015.20 and 409,840.80

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Solution

The fourth proportional to 1,356,460.80, 2,035,015.20 and 409,840.80 is: 614,859.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,356,460.80 : 2,035,015.20 = 409,840.80 : x
  2. Step 2: Convert to fraction form
    1,356,460.80/2,035,015.20 = 409,840.80/x
  3. Step 3: Cross multiply
    1,356,460.80x = 2,035,015.20 × 409,840.80
  4. Step 4: Simplify right side
    1,356,460.80x = 834,032,257,580.16
  5. Step 5: Solve for x
    x = 834,032,257,580.16/1,356,460.80
  6. Step 6: Final answer
    x = 614,859.09

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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.