Home / 890,260.09-1,228,619.19-502,941.16

Finding the Fourth Proportional to 890,260.09, 1,228,619.19 and 502,941.16

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Solution

The fourth proportional to 890,260.09, 1,228,619.19 and 502,941.16 is: 694,092.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,260.09 : 1,228,619.19 = 502,941.16 : x
  2. Step 2: Convert to fraction form
    890,260.09/1,228,619.19 = 502,941.16/x
  3. Step 3: Cross multiply
    890,260.09x = 1,228,619.19 × 502,941.16
  4. Step 4: Simplify right side
    890,260.09x = 617,923,160,616.86
  5. Step 5: Solve for x
    x = 617,923,160,616.86/890,260.09
  6. Step 6: Final answer
    x = 694,092.85

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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.