Home / 698,827.20-1,048,240.80-530,865.60

Finding the Fourth Proportional to 698,827.20, 1,048,240.80 and 530,865.60

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Solution

The fourth proportional to 698,827.20, 1,048,240.80 and 530,865.60 is: 796,298.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,827.20 : 1,048,240.80 = 530,865.60 : x
  2. Step 2: Convert to fraction form
    698,827.20/1,048,240.80 = 530,865.60/x
  3. Step 3: Cross multiply
    698,827.20x = 1,048,240.80 × 530,865.60
  4. Step 4: Simplify right side
    698,827.20x = 556,474,981,236.48
  5. Step 5: Solve for x
    x = 556,474,981,236.48/698,827.20
  6. Step 6: Final answer
    x = 796,298.40

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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.