Home / 939,784.11-1,296,869.13-510,055.62

Finding the Fourth Proportional to 939,784.11, 1,296,869.13 and 510,055.62

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Solution

The fourth proportional to 939,784.11, 1,296,869.13 and 510,055.62 is: 703,858.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,784.11 : 1,296,869.13 = 510,055.62 : x
  2. Step 2: Convert to fraction form
    939,784.11/1,296,869.13 = 510,055.62/x
  3. Step 3: Cross multiply
    939,784.11x = 1,296,869.13 × 510,055.62
  4. Step 4: Simplify right side
    939,784.11x = 661,475,388,161.01
  5. Step 5: Solve for x
    x = 661,475,388,161.01/939,784.11
  6. Step 6: Final answer
    x = 703,858.88

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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.