Home / 939,773.10-1,296,888.12-510,053.22

Finding the Fourth Proportional to 939,773.10, 1,296,888.12 and 510,053.22

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Solution

The fourth proportional to 939,773.10, 1,296,888.12 and 510,053.22 is: 703,874.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,773.10 : 1,296,888.12 = 510,053.22 : x
  2. Step 2: Convert to fraction form
    939,773.10/1,296,888.12 = 510,053.22/x
  3. Step 3: Cross multiply
    939,773.10x = 1,296,888.12 × 510,053.22
  4. Step 4: Simplify right side
    939,773.10x = 661,481,961,585.75
  5. Step 5: Solve for x
    x = 661,481,961,585.75/939,773.10
  6. Step 6: Final answer
    x = 703,874.12

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Double scale
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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.