Home / 1,656,556.40-2,286,020.27-921,501.88

Finding the Fourth Proportional to 1,656,556.40, 2,286,020.27 and 921,501.88

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Solution

The fourth proportional to 1,656,556.40, 2,286,020.27 and 921,501.88 is: 1,271,657.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,656,556.40 : 2,286,020.27 = 921,501.88 : x
  2. Step 2: Convert to fraction form
    1,656,556.40/2,286,020.27 = 921,501.88/x
  3. Step 3: Cross multiply
    1,656,556.40x = 2,286,020.27 × 921,501.88
  4. Step 4: Simplify right side
    1,656,556.40x = 2,106,571,976,523.11
  5. Step 5: Solve for x
    x = 2,106,571,976,523.11/1,656,556.40
  6. Step 6: Final answer
    x = 1,271,657.26

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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.