Home / 1,711,520.51-2,361,985.40-947,658.11

Finding the Fourth Proportional to 1,711,520.51, 2,361,985.40 and 947,658.11

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Solution

The fourth proportional to 1,711,520.51, 2,361,985.40 and 947,658.11 is: 1,307,816.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,711,520.51 : 2,361,985.40 = 947,658.11 : x
  2. Step 2: Convert to fraction form
    1,711,520.51/2,361,985.40 = 947,658.11/x
  3. Step 3: Cross multiply
    1,711,520.51x = 2,361,985.40 × 947,658.11
  4. Step 4: Simplify right side
    1,711,520.51x = 2,238,354,615,273.30
  5. Step 5: Solve for x
    x = 2,238,354,615,273.30/1,711,520.51
  6. Step 6: Final answer
    x = 1,307,816.41

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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.