Home / 1,656,573.81-2,286,044.19-921,519.33

Finding the Fourth Proportional to 1,656,573.81, 2,286,044.19 and 921,519.33

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Solution

The fourth proportional to 1,656,573.81, 2,286,044.19 and 921,519.33 is: 1,271,681.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,573.81 : 2,286,044.19 = 921,519.33 : x
  2. Step 2: Convert to fraction form
    1,656,573.81/2,286,044.19 = 921,519.33/x
  3. Step 3: Cross multiply
    1,656,573.81x = 2,286,044.19 × 921,519.33
  4. Step 4: Simplify right side
    1,656,573.81x = 2,106,633,910,319.19
  5. Step 5: Solve for x
    x = 2,106,633,910,319.19/1,656,573.81
  6. Step 6: Final answer
    x = 1,271,681.28

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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.