Home / 1,004,009-1,385,542.14-551,309.72

Finding the Fourth Proportional to 1,004,009, 1,385,542.14 and 551,309.72

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Solution

The fourth proportional to 1,004,009, 1,385,542.14 and 551,309.72 is: 760,812.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,004,009 : 1,385,542.14 = 551,309.72 : x
  2. Step 2: Convert to fraction form
    1,004,009/1,385,542.14 = 551,309.72/x
  3. Step 3: Cross multiply
    1,004,009x = 1,385,542.14 × 551,309.72
  4. Step 4: Simplify right side
    1,004,009x = 763,862,849,251.60
  5. Step 5: Solve for x
    x = 763,862,849,251.60/1,004,009
  6. Step 6: Final answer
    x = 760,812.75

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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.