Home / 1,323,403.20-1,984,528.80-613,195.20

Finding the Fourth Proportional to 1,323,403.20, 1,984,528.80 and 613,195.20

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Solution

The fourth proportional to 1,323,403.20, 1,984,528.80 and 613,195.20 is: 919,525.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,323,403.20 : 1,984,528.80 = 613,195.20 : x
  2. Step 2: Convert to fraction form
    1,323,403.20/1,984,528.80 = 613,195.20/x
  3. Step 3: Cross multiply
    1,323,403.20x = 1,984,528.80 × 613,195.20
  4. Step 4: Simplify right side
    1,323,403.20x = 1,216,903,534,421.76
  5. Step 5: Solve for x
    x = 1,216,903,534,421.76/1,323,403.20
  6. Step 6: Final answer
    x = 919,525.91

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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.