Home / 939,901.80-1,297,060.11-510,178.17

Finding the Fourth Proportional to 939,901.80, 1,297,060.11 and 510,178.17

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Solution

The fourth proportional to 939,901.80, 1,297,060.11 and 510,178.17 is: 704,043.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,901.80 : 1,297,060.11 = 510,178.17 : x
  2. Step 2: Convert to fraction form
    939,901.80/1,297,060.11 = 510,178.17/x
  3. Step 3: Cross multiply
    939,901.80x = 1,297,060.11 × 510,178.17
  4. Step 4: Simplify right side
    939,901.80x = 661,731,753,299.80
  5. Step 5: Solve for x
    x = 661,731,753,299.80/939,901.80
  6. Step 6: Final answer
    x = 704,043.50

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.