Home / 839,637.66-1,258,710.80-327,184.15

Finding the Fourth Proportional to 839,637.66, 1,258,710.80 and 327,184.15

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Solution

The fourth proportional to 839,637.66, 1,258,710.80 and 327,184.15 is: 490,485.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,637.66 : 1,258,710.80 = 327,184.15 : x
  2. Step 2: Convert to fraction form
    839,637.66/1,258,710.80 = 327,184.15/x
  3. Step 3: Cross multiply
    839,637.66x = 1,258,710.80 × 327,184.15
  4. Step 4: Simplify right side
    839,637.66x = 411,830,223,193.82
  5. Step 5: Solve for x
    x = 411,830,223,193.82/839,637.66
  6. Step 6: Final answer
    x = 490,485.65

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Double scale
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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.