Home / 742,843.58-1,114,133.64-337,941.72

Finding the Fourth Proportional to 742,843.58, 1,114,133.64 and 337,941.72

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Solution

The fourth proportional to 742,843.58, 1,114,133.64 and 337,941.72 is: 506,852.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,843.58 : 1,114,133.64 = 337,941.72 : x
  2. Step 2: Convert to fraction form
    742,843.58/1,114,133.64 = 337,941.72/x
  3. Step 3: Cross multiply
    742,843.58x = 1,114,133.64 × 337,941.72
  4. Step 4: Simplify right side
    742,843.58x = 376,512,238,611.46
  5. Step 5: Solve for x
    x = 376,512,238,611.46/742,843.58
  6. Step 6: Final answer
    x = 506,852.66

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Double scale
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Similar ratio
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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.