Home / 1,556,256.68-2,147,634.22-840,864.68

Finding the Fourth Proportional to 1,556,256.68, 2,147,634.22 and 840,864.68

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Solution

The fourth proportional to 1,556,256.68, 2,147,634.22 and 840,864.68 is: 1,160,393.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,556,256.68 : 2,147,634.22 = 840,864.68 : x
  2. Step 2: Convert to fraction form
    1,556,256.68/2,147,634.22 = 840,864.68/x
  3. Step 3: Cross multiply
    1,556,256.68x = 2,147,634.22 × 840,864.68
  4. Step 4: Simplify right side
    1,556,256.68x = 1,805,869,761,157.35
  5. Step 5: Solve for x
    x = 1,805,869,761,157.35/1,556,256.68
  6. Step 6: Final answer
    x = 1,160,393.26

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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.