Home / 914,221.41-1,261,590.71-500,751.60

Finding the Fourth Proportional to 914,221.41, 1,261,590.71 and 500,751.60

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Solution

The fourth proportional to 914,221.41, 1,261,590.71 and 500,751.60 is: 691,018.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,221.41 : 1,261,590.71 = 500,751.60 : x
  2. Step 2: Convert to fraction form
    914,221.41/1,261,590.71 = 500,751.60/x
  3. Step 3: Cross multiply
    914,221.41x = 1,261,590.71 × 500,751.60
  4. Step 4: Simplify right side
    914,221.41x = 631,743,564,073.88
  5. Step 5: Solve for x
    x = 631,743,564,073.88/914,221.41
  6. Step 6: Final answer
    x = 691,018.12

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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.