Home / 543,822.80-815,734.20-463,341.20

Finding the Fourth Proportional to 543,822.80, 815,734.20 and 463,341.20

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Solution

The fourth proportional to 543,822.80, 815,734.20 and 463,341.20 is: 695,011.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    543,822.80 : 815,734.20 = 463,341.20 : x
  2. Step 2: Convert to fraction form
    543,822.80/815,734.20 = 463,341.20/x
  3. Step 3: Cross multiply
    543,822.80x = 815,734.20 × 463,341.20
  4. Step 4: Simplify right side
    543,822.80x = 377,963,263,109.04
  5. Step 5: Solve for x
    x = 377,963,263,109.04/543,822.80
  6. Step 6: Final answer
    x = 695,011.80

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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.