Home / 925,991.77-1,277,918.13-518,069.19

Finding the Fourth Proportional to 925,991.77, 1,277,918.13 and 518,069.19

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Solution

The fourth proportional to 925,991.77, 1,277,918.13 and 518,069.19 is: 714,963.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    925,991.77 : 1,277,918.13 = 518,069.19 : x
  2. Step 2: Convert to fraction form
    925,991.77/1,277,918.13 = 518,069.19/x
  3. Step 3: Cross multiply
    925,991.77x = 1,277,918.13 × 518,069.19
  4. Step 4: Simplify right side
    925,991.77x = 662,050,010,495.42
  5. Step 5: Solve for x
    x = 662,050,010,495.42/925,991.77
  6. Step 6: Final answer
    x = 714,963.17

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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.