Home / 1,117,745-1,542,488.28-608,451.20

Finding the Fourth Proportional to 1,117,745, 1,542,488.28 and 608,451.20

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Solution

The fourth proportional to 1,117,745, 1,542,488.28 and 608,451.20 is: 839,662.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,117,745 : 1,542,488.28 = 608,451.20 : x
  2. Step 2: Convert to fraction form
    1,117,745/1,542,488.28 = 608,451.20/x
  3. Step 3: Cross multiply
    1,117,745x = 1,542,488.28 × 608,451.20
  4. Step 4: Simplify right side
    1,117,745x = 938,528,844,951.94
  5. Step 5: Solve for x
    x = 938,528,844,951.94/1,117,745
  6. Step 6: Final answer
    x = 839,662.75

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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.