Home / 1,111,116.91-1,533,465.77-627,713.17

Finding the Fourth Proportional to 1,111,116.91, 1,533,465.77 and 627,713.17

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Solution

The fourth proportional to 1,111,116.91, 1,533,465.77 and 627,713.17 is: 866,314.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,111,116.91 : 1,533,465.77 = 627,713.17 : x
  2. Step 2: Convert to fraction form
    1,111,116.91/1,533,465.77 = 627,713.17/x
  3. Step 3: Cross multiply
    1,111,116.91x = 1,533,465.77 × 627,713.17
  4. Step 4: Simplify right side
    1,111,116.91x = 962,576,659,573.19
  5. Step 5: Solve for x
    x = 962,576,659,573.19/1,111,116.91
  6. Step 6: Final answer
    x = 866,314.47

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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.