Home / 714,742.40-1,071,724.80-294,060.80

Finding the Fourth Proportional to 714,742.40, 1,071,724.80 and 294,060.80

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Solution

The fourth proportional to 714,742.40, 1,071,724.80 and 294,060.80 is: 440,931.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,742.40 : 1,071,724.80 = 294,060.80 : x
  2. Step 2: Convert to fraction form
    714,742.40/1,071,724.80 = 294,060.80/x
  3. Step 3: Cross multiply
    714,742.40x = 1,071,724.80 × 294,060.80
  4. Step 4: Simplify right side
    714,742.40x = 315,152,252,067.84
  5. Step 5: Solve for x
    x = 315,152,252,067.84/714,742.40
  6. Step 6: Final answer
    x = 440,931.24

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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.