Home / 1,203,143.80-1,804,827.06-393,532.81

Finding the Fourth Proportional to 1,203,143.80, 1,804,827.06 and 393,532.81

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Solution

The fourth proportional to 1,203,143.80, 1,804,827.06 and 393,532.81 is: 590,335.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,143.80 : 1,804,827.06 = 393,532.81 : x
  2. Step 2: Convert to fraction form
    1,203,143.80/1,804,827.06 = 393,532.81/x
  3. Step 3: Cross multiply
    1,203,143.80x = 1,804,827.06 × 393,532.81
  4. Step 4: Simplify right side
    1,203,143.80x = 710,258,664,485.84
  5. Step 5: Solve for x
    x = 710,258,664,485.84/1,203,143.80
  6. Step 6: Final answer
    x = 590,335.64

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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.