Home / 1,865,116.51-2,797,674.61-517,279.11

Finding the Fourth Proportional to 1,865,116.51, 2,797,674.61 and 517,279.11

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Solution

The fourth proportional to 1,865,116.51, 2,797,674.61 and 517,279.11 is: 775,918.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,865,116.51 : 2,797,674.61 = 517,279.11 : x
  2. Step 2: Convert to fraction form
    1,865,116.51/2,797,674.61 = 517,279.11/x
  3. Step 3: Cross multiply
    1,865,116.51x = 2,797,674.61 × 517,279.11
  4. Step 4: Simplify right side
    1,865,116.51x = 1,447,178,632,330.40
  5. Step 5: Solve for x
    x = 1,447,178,632,330.40/1,865,116.51
  6. Step 6: Final answer
    x = 775,918.62

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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.