Home / 880,316.73-1,214,842.14-517,755.87

Finding the Fourth Proportional to 880,316.73, 1,214,842.14 and 517,755.87

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Solution

The fourth proportional to 880,316.73, 1,214,842.14 and 517,755.87 is: 714,506.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,316.73 : 1,214,842.14 = 517,755.87 : x
  2. Step 2: Convert to fraction form
    880,316.73/1,214,842.14 = 517,755.87/x
  3. Step 3: Cross multiply
    880,316.73x = 1,214,842.14 × 517,755.87
  4. Step 4: Simplify right side
    880,316.73x = 628,991,649,108.36
  5. Step 5: Solve for x
    x = 628,991,649,108.36/880,316.73
  6. Step 6: Final answer
    x = 714,506.07

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Double scale
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Similar ratio
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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.