Home / 1,122,543.90-1,683,815.85-364,383.90

Finding the Fourth Proportional to 1,122,543.90, 1,683,815.85 and 364,383.90

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Solution

The fourth proportional to 1,122,543.90, 1,683,815.85 and 364,383.90 is: 546,575.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,122,543.90 : 1,683,815.85 = 364,383.90 : x
  2. Step 2: Convert to fraction form
    1,122,543.90/1,683,815.85 = 364,383.90/x
  3. Step 3: Cross multiply
    1,122,543.90x = 1,683,815.85 × 364,383.90
  4. Step 4: Simplify right side
    1,122,543.90x = 613,555,386,304.82
  5. Step 5: Solve for x
    x = 613,555,386,304.82/1,122,543.90
  6. Step 6: Final answer
    x = 546,575.85

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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.