Home / 890,238.42-1,228,081.10-584,272.35

Finding the Fourth Proportional to 890,238.42, 1,228,081.10 and 584,272.35

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Solution

The fourth proportional to 890,238.42, 1,228,081.10 and 584,272.35 is: 806,001.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    890,238.42 : 1,228,081.10 = 584,272.35 : x
  2. Step 2: Convert to fraction form
    890,238.42/1,228,081.10 = 584,272.35/x
  3. Step 3: Cross multiply
    890,238.42x = 1,228,081.10 × 584,272.35
  4. Step 4: Simplify right side
    890,238.42x = 717,533,827,366.22
  5. Step 5: Solve for x
    x = 717,533,827,366.22/890,238.42
  6. Step 6: Final answer
    x = 806,001.87

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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.