Home / 906,828.40-1,359,076.20-551,465.20

Finding the Fourth Proportional to 906,828.40, 1,359,076.20 and 551,465.20

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Solution

The fourth proportional to 906,828.40, 1,359,076.20 and 551,465.20 is: 826,488.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    906,828.40 : 1,359,076.20 = 551,465.20 : x
  2. Step 2: Convert to fraction form
    906,828.40/1,359,076.20 = 551,465.20/x
  3. Step 3: Cross multiply
    906,828.40x = 1,359,076.20 × 551,465.20
  4. Step 4: Simplify right side
    906,828.40x = 749,483,228,448.24
  5. Step 5: Solve for x
    x = 749,483,228,448.24/906,828.40
  6. Step 6: Final answer
    x = 826,488.48

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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.