Home / 808,983.84-1,116,174.96-486,649.20

Finding the Fourth Proportional to 808,983.84, 1,116,174.96 and 486,649.20

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Solution

The fourth proportional to 808,983.84, 1,116,174.96 and 486,649.20 is: 671,441.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,983.84 : 1,116,174.96 = 486,649.20 : x
  2. Step 2: Convert to fraction form
    808,983.84/1,116,174.96 = 486,649.20/x
  3. Step 3: Cross multiply
    808,983.84x = 1,116,174.96 × 486,649.20
  4. Step 4: Simplify right side
    808,983.84x = 543,185,651,344.03
  5. Step 5: Solve for x
    x = 543,185,651,344.03/808,983.84
  6. Step 6: Final answer
    x = 671,441.91

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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.