Home / 1,294,521.60-1,941,091.20-545,721.60

Finding the Fourth Proportional to 1,294,521.60, 1,941,091.20 and 545,721.60

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Solution

The fourth proportional to 1,294,521.60, 1,941,091.20 and 545,721.60 is: 818,291.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,294,521.60 : 1,941,091.20 = 545,721.60 : x
  2. Step 2: Convert to fraction form
    1,294,521.60/1,941,091.20 = 545,721.60/x
  3. Step 3: Cross multiply
    1,294,521.60x = 1,941,091.20 × 545,721.60
  4. Step 4: Simplify right side
    1,294,521.60x = 1,059,295,395,409.92
  5. Step 5: Solve for x
    x = 1,059,295,395,409.92/1,294,521.60
  6. Step 6: Final answer
    x = 818,291.02

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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.