Home / 1,012,640.21-1,397,398.98-577,151.82

Finding the Fourth Proportional to 1,012,640.21, 1,397,398.98 and 577,151.82

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Solution

The fourth proportional to 1,012,640.21, 1,397,398.98 and 577,151.82 is: 796,444.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,012,640.21 : 1,397,398.98 = 577,151.82 : x
  2. Step 2: Convert to fraction form
    1,012,640.21/1,397,398.98 = 577,151.82/x
  3. Step 3: Cross multiply
    1,012,640.21x = 1,397,398.98 × 577,151.82
  4. Step 4: Simplify right side
    1,012,640.21x = 806,511,364,573.14
  5. Step 5: Solve for x
    x = 806,511,364,573.14/1,012,640.21
  6. Step 6: Final answer
    x = 796,444.15

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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.