Home / 1,711,521.51-2,361,986.78-947,659.11

Finding the Fourth Proportional to 1,711,521.51, 2,361,986.78 and 947,659.11

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Solution

The fourth proportional to 1,711,521.51, 2,361,986.78 and 947,659.11 is: 1,307,817.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711,521.51 : 2,361,986.78 = 947,659.11 : x
  2. Step 2: Convert to fraction form
    1,711,521.51/2,361,986.78 = 947,659.11/x
  3. Step 3: Cross multiply
    1,711,521.51x = 2,361,986.78 × 947,659.11
  4. Step 4: Simplify right side
    1,711,521.51x = 2,238,358,289,766.57
  5. Step 5: Solve for x
    x = 2,238,358,289,766.57/1,711,521.51
  6. Step 6: Final answer
    x = 1,307,817.80

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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.