Home / 1,331,809.27-1,838,396.59-872,953.40

Finding the Fourth Proportional to 1,331,809.27, 1,838,396.59 and 872,953.40

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Solution

The fourth proportional to 1,331,809.27, 1,838,396.59 and 872,953.40 is: 1,205,003.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,331,809.27 : 1,838,396.59 = 872,953.40 : x
  2. Step 2: Convert to fraction form
    1,331,809.27/1,838,396.59 = 872,953.40/x
  3. Step 3: Cross multiply
    1,331,809.27x = 1,838,396.59 × 872,953.40
  4. Step 4: Simplify right side
    1,331,809.27x = 1,604,834,556,202.51
  5. Step 5: Solve for x
    x = 1,604,834,556,202.51/1,331,809.27
  6. Step 6: Final answer
    x = 1,205,003.29

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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.