Home / 629,742.40-943,999.20-563,387.20

Finding the Fourth Proportional to 629,742.40, 943,999.20 and 563,387.20

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Solution

The fourth proportional to 629,742.40, 943,999.20 and 563,387.20 is: 844,531.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,742.40 : 943,999.20 = 563,387.20 : x
  2. Step 2: Convert to fraction form
    629,742.40/943,999.20 = 563,387.20/x
  3. Step 3: Cross multiply
    629,742.40x = 943,999.20 × 563,387.20
  4. Step 4: Simplify right side
    629,742.40x = 531,837,066,090.24
  5. Step 5: Solve for x
    x = 531,837,066,090.24/629,742.40
  6. Step 6: Final answer
    x = 844,531.14

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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.