Home / 543,822.30-815,733.45-463,340.70

Finding the Fourth Proportional to 543,822.30, 815,733.45 and 463,340.70

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Solution

The fourth proportional to 543,822.30, 815,733.45 and 463,340.70 is: 695,011.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,822.30 : 815,733.45 = 463,340.70 : x
  2. Step 2: Convert to fraction form
    543,822.30/815,733.45 = 463,340.70/x
  3. Step 3: Cross multiply
    543,822.30x = 815,733.45 × 463,340.70
  4. Step 4: Simplify right side
    543,822.30x = 377,962,507,736.42
  5. Step 5: Solve for x
    x = 377,962,507,736.42/543,822.30
  6. Step 6: Final answer
    x = 695,011.05

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Double scale
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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.