Home / 865,066.97-1,296,861.52-611,549.93

Finding the Fourth Proportional to 865,066.97, 1,296,861.52 and 611,549.93

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Solution

The fourth proportional to 865,066.97, 1,296,861.52 and 611,549.93 is: 916,802.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,066.97 : 1,296,861.52 = 611,549.93 : x
  2. Step 2: Convert to fraction form
    865,066.97/1,296,861.52 = 611,549.93/x
  3. Step 3: Cross multiply
    865,066.97x = 1,296,861.52 × 611,549.93
  4. Step 4: Simplify right side
    865,066.97x = 793,095,571,775.69
  5. Step 5: Solve for x
    x = 793,095,571,775.69/865,066.97
  6. Step 6: Final answer
    x = 916,802.51

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.