Home / 1,102,111.60-1,653,167.40-392,940.40

Finding the Fourth Proportional to 1,102,111.60, 1,653,167.40 and 392,940.40

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Solution

The fourth proportional to 1,102,111.60, 1,653,167.40 and 392,940.40 is: 589,410.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,102,111.60 : 1,653,167.40 = 392,940.40 : x
  2. Step 2: Convert to fraction form
    1,102,111.60/1,653,167.40 = 392,940.40/x
  3. Step 3: Cross multiply
    1,102,111.60x = 1,653,167.40 × 392,940.40
  4. Step 4: Simplify right side
    1,102,111.60x = 649,596,259,422.96
  5. Step 5: Solve for x
    x = 649,596,259,422.96/1,102,111.60
  6. Step 6: Final answer
    x = 589,410.60

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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.