Home / 1,009,362.48-1,392,921.54-550,478.04

Finding the Fourth Proportional to 1,009,362.48, 1,392,921.54 and 550,478.04

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Solution

The fourth proportional to 1,009,362.48, 1,392,921.54 and 550,478.04 is: 759,660.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,009,362.48 : 1,392,921.54 = 550,478.04 : x
  2. Step 2: Convert to fraction form
    1,009,362.48/1,392,921.54 = 550,478.04/x
  3. Step 3: Cross multiply
    1,009,362.48x = 1,392,921.54 × 550,478.04
  4. Step 4: Simplify right side
    1,009,362.48x = 766,772,719,212.98
  5. Step 5: Solve for x
    x = 766,772,719,212.98/1,009,362.48
  6. Step 6: Final answer
    x = 759,660.41

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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.