Home / 889,935.86-1,228,111.88-482,036.47

Finding the Fourth Proportional to 889,935.86, 1,228,111.88 and 482,036.47

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Solution

The fourth proportional to 889,935.86, 1,228,111.88 and 482,036.47 is: 665,210.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    889,935.86 : 1,228,111.88 = 482,036.47 : x
  2. Step 2: Convert to fraction form
    889,935.86/1,228,111.88 = 482,036.47/x
  3. Step 3: Cross multiply
    889,935.86x = 1,228,111.88 × 482,036.47
  4. Step 4: Simplify right side
    889,935.86x = 591,994,709,919.80
  5. Step 5: Solve for x
    x = 591,994,709,919.80/889,935.86
  6. Step 6: Final answer
    x = 665,210.53

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Double scale
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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.