Home / 1,112,794.20-1,535,637.60-629,341.20

Finding the Fourth Proportional to 1,112,794.20, 1,535,637.60 and 629,341.20

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Solution

The fourth proportional to 1,112,794.20, 1,535,637.60 and 629,341.20 is: 868,480.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,112,794.20 : 1,535,637.60 = 629,341.20 : x
  2. Step 2: Convert to fraction form
    1,112,794.20/1,535,637.60 = 629,341.20/x
  3. Step 3: Cross multiply
    1,112,794.20x = 1,535,637.60 × 629,341.20
  4. Step 4: Simplify right side
    1,112,794.20x = 966,440,009,949.12
  5. Step 5: Solve for x
    x = 966,440,009,949.12/1,112,794.20
  6. Step 6: Final answer
    x = 868,480.45

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.