Home / 1,185,909.70-1,778,864.55-299,445.70

Finding the Fourth Proportional to 1,185,909.70, 1,778,864.55 and 299,445.70

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Solution

The fourth proportional to 1,185,909.70, 1,778,864.55 and 299,445.70 is: 449,168.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,185,909.70 : 1,778,864.55 = 299,445.70 : x
  2. Step 2: Convert to fraction form
    1,185,909.70/1,778,864.55 = 299,445.70/x
  3. Step 3: Cross multiply
    1,185,909.70x = 1,778,864.55 × 299,445.70
  4. Step 4: Simplify right side
    1,185,909.70x = 532,673,340,379.94
  5. Step 5: Solve for x
    x = 532,673,340,379.94/1,185,909.70
  6. Step 6: Final answer
    x = 449,168.55

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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.