Home / 1,255,683.20-1,883,524.80-830,530.40

Finding the Fourth Proportional to 1,255,683.20, 1,883,524.80 and 830,530.40

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Solution

The fourth proportional to 1,255,683.20, 1,883,524.80 and 830,530.40 is: 1,245,795.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,255,683.20 : 1,883,524.80 = 830,530.40 : x
  2. Step 2: Convert to fraction form
    1,255,683.20/1,883,524.80 = 830,530.40/x
  3. Step 3: Cross multiply
    1,255,683.20x = 1,883,524.80 × 830,530.40
  4. Step 4: Simplify right side
    1,255,683.20x = 1,564,324,605,553.92
  5. Step 5: Solve for x
    x = 1,564,324,605,553.92/1,255,683.20
  6. Step 6: Final answer
    x = 1,245,795.60

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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.