Home / 916,035.06-1,264,279.62-508,268.10

Finding the Fourth Proportional to 916,035.06, 1,264,279.62 and 508,268.10

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Solution

The fourth proportional to 916,035.06, 1,264,279.62 and 508,268.10 is: 701,493.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,035.06 : 1,264,279.62 = 508,268.10 : x
  2. Step 2: Convert to fraction form
    916,035.06/1,264,279.62 = 508,268.10/x
  3. Step 3: Cross multiply
    916,035.06x = 1,264,279.62 × 508,268.10
  4. Step 4: Simplify right side
    916,035.06x = 642,593,000,326.12
  5. Step 5: Solve for x
    x = 642,593,000,326.12/916,035.06
  6. Step 6: Final answer
    x = 701,493.89

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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.