Home / 1,449,117.70-2,173,676.55-384,267.40

Finding the Fourth Proportional to 1,449,117.70, 2,173,676.55 and 384,267.40

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Solution

The fourth proportional to 1,449,117.70, 2,173,676.55 and 384,267.40 is: 576,401.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,449,117.70 : 2,173,676.55 = 384,267.40 : x
  2. Step 2: Convert to fraction form
    1,449,117.70/2,173,676.55 = 384,267.40/x
  3. Step 3: Cross multiply
    1,449,117.70x = 2,173,676.55 × 384,267.40
  4. Step 4: Simplify right side
    1,449,117.70x = 835,273,036,309.47
  5. Step 5: Solve for x
    x = 835,273,036,309.47/1,449,117.70
  6. Step 6: Final answer
    x = 576,401.10

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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.