Home / 1,122,031.88-1,683,062.70-374,078.12

Finding the Fourth Proportional to 1,122,031.88, 1,683,062.70 and 374,078.12

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Solution

The fourth proportional to 1,122,031.88, 1,683,062.70 and 374,078.12 is: 561,122.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,031.88 : 1,683,062.70 = 374,078.12 : x
  2. Step 2: Convert to fraction form
    1,122,031.88/1,683,062.70 = 374,078.12/x
  3. Step 3: Cross multiply
    1,122,031.88x = 1,683,062.70 × 374,078.12
  4. Step 4: Simplify right side
    1,122,031.88x = 629,596,930,658.12
  5. Step 5: Solve for x
    x = 629,596,930,658.12/1,122,031.88
  6. Step 6: Final answer
    x = 561,122.14

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.