Home / 1,216,002.40-1,824,003.60-656,130.40

Finding the Fourth Proportional to 1,216,002.40, 1,824,003.60 and 656,130.40

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Solution

The fourth proportional to 1,216,002.40, 1,824,003.60 and 656,130.40 is: 984,195.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,002.40 : 1,824,003.60 = 656,130.40 : x
  2. Step 2: Convert to fraction form
    1,216,002.40/1,824,003.60 = 656,130.40/x
  3. Step 3: Cross multiply
    1,216,002.40x = 1,824,003.60 × 656,130.40
  4. Step 4: Simplify right side
    1,216,002.40x = 1,196,784,211,669.44
  5. Step 5: Solve for x
    x = 1,196,784,211,669.44/1,216,002.40
  6. Step 6: Final answer
    x = 984,195.60

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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.