Home / 939,821.16-1,296,918.51-510,092.07

Finding the Fourth Proportional to 939,821.16, 1,296,918.51 and 510,092.07

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Solution

The fourth proportional to 939,821.16, 1,296,918.51 and 510,092.07 is: 703,908.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,821.16 : 1,296,918.51 = 510,092.07 : x
  2. Step 2: Convert to fraction form
    939,821.16/1,296,918.51 = 510,092.07/x
  3. Step 3: Cross multiply
    939,821.16x = 1,296,918.51 × 510,092.07
  4. Step 4: Simplify right side
    939,821.16x = 661,547,840,610.93
  5. Step 5: Solve for x
    x = 661,547,840,610.93/939,821.16
  6. Step 6: Final answer
    x = 703,908.22

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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.