Home / 740,953.22-1,022,516.46-401,421.44

Finding the Fourth Proportional to 740,953.22, 1,022,516.46 and 401,421.44

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Solution

The fourth proportional to 740,953.22, 1,022,516.46 and 401,421.44 is: 553,962.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,953.22 : 1,022,516.46 = 401,421.44 : x
  2. Step 2: Convert to fraction form
    740,953.22/1,022,516.46 = 401,421.44/x
  3. Step 3: Cross multiply
    740,953.22x = 1,022,516.46 × 401,421.44
  4. Step 4: Simplify right side
    740,953.22x = 410,460,029,796.90
  5. Step 5: Solve for x
    x = 410,460,029,796.90/740,953.22
  6. Step 6: Final answer
    x = 553,962.14

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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.