Home / 740,825.03-1,022,343.45-401,293.28

Finding the Fourth Proportional to 740,825.03, 1,022,343.45 and 401,293.28

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Solution

The fourth proportional to 740,825.03, 1,022,343.45 and 401,293.28 is: 553,787.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,825.03 : 1,022,343.45 = 401,293.28 : x
  2. Step 2: Convert to fraction form
    740,825.03/1,022,343.45 = 401,293.28/x
  3. Step 3: Cross multiply
    740,825.03x = 1,022,343.45 × 401,293.28
  4. Step 4: Simplify right side
    740,825.03x = 410,259,556,337.02
  5. Step 5: Solve for x
    x = 410,259,556,337.02/740,825.03
  6. Step 6: Final answer
    x = 553,787.39

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1.5x scale

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.