Home / 1,068,519.60-1,474,556.40-638,798.40

Finding the Fourth Proportional to 1,068,519.60, 1,474,556.40 and 638,798.40

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Solution

The fourth proportional to 1,068,519.60, 1,474,556.40 and 638,798.40 is: 881,541.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,068,519.60 : 1,474,556.40 = 638,798.40 : x
  2. Step 2: Convert to fraction form
    1,068,519.60/1,474,556.40 = 638,798.40/x
  3. Step 3: Cross multiply
    1,068,519.60x = 1,474,556.40 × 638,798.40
  4. Step 4: Simplify right side
    1,068,519.60x = 941,944,269,029.76
  5. Step 5: Solve for x
    x = 941,944,269,029.76/1,068,519.60
  6. Step 6: Final answer
    x = 881,541.40

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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.