Home / 1,081,133.04-1,492,005.60-717,930.60

Finding the Fourth Proportional to 1,081,133.04, 1,492,005.60 and 717,930.60

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Solution

The fourth proportional to 1,081,133.04, 1,492,005.60 and 717,930.60 is: 990,772.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,081,133.04 : 1,492,005.60 = 717,930.60 : x
  2. Step 2: Convert to fraction form
    1,081,133.04/1,492,005.60 = 717,930.60/x
  3. Step 3: Cross multiply
    1,081,133.04x = 1,492,005.60 × 717,930.60
  4. Step 4: Simplify right side
    1,081,133.04x = 1,071,156,475,611.36
  5. Step 5: Solve for x
    x = 1,071,156,475,611.36/1,081,133.04
  6. Step 6: Final answer
    x = 990,772.12

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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.