Home / 698,580.80-1,047,871.20-225,281.60

Finding the Fourth Proportional to 698,580.80, 1,047,871.20 and 225,281.60

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Solution

The fourth proportional to 698,580.80, 1,047,871.20 and 225,281.60 is: 337,922.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,580.80 : 1,047,871.20 = 225,281.60 : x
  2. Step 2: Convert to fraction form
    698,580.80/1,047,871.20 = 225,281.60/x
  3. Step 3: Cross multiply
    698,580.80x = 1,047,871.20 × 225,281.60
  4. Step 4: Simplify right side
    698,580.80x = 236,066,100,529.92
  5. Step 5: Solve for x
    x = 236,066,100,529.92/698,580.80
  6. Step 6: Final answer
    x = 337,922.40

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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.