Home / 693,569.60-1,039,576.80-294,142.40

Finding the Fourth Proportional to 693,569.60, 1,039,576.80 and 294,142.40

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Solution

The fourth proportional to 693,569.60, 1,039,576.80 and 294,142.40 is: 440,883.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    693,569.60 : 1,039,576.80 = 294,142.40 : x
  2. Step 2: Convert to fraction form
    693,569.60/1,039,576.80 = 294,142.40/x
  3. Step 3: Cross multiply
    693,569.60x = 1,039,576.80 × 294,142.40
  4. Step 4: Simplify right side
    693,569.60x = 305,783,614,936.32
  5. Step 5: Solve for x
    x = 305,783,614,936.32/693,569.60
  6. Step 6: Final answer
    x = 440,883.82

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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.