Home / 880,293.76-1,214,806.60-477,885.76

Finding the Fourth Proportional to 880,293.76, 1,214,806.60 and 477,885.76

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Solution

The fourth proportional to 880,293.76, 1,214,806.60 and 477,885.76 is: 659,483.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    880,293.76 : 1,214,806.60 = 477,885.76 : x
  2. Step 2: Convert to fraction form
    880,293.76/1,214,806.60 = 477,885.76/x
  3. Step 3: Cross multiply
    880,293.76x = 1,214,806.60 × 477,885.76
  4. Step 4: Simplify right side
    880,293.76x = 580,538,775,294.02
  5. Step 5: Solve for x
    x = 580,538,775,294.02/880,293.76
  6. Step 6: Final answer
    x = 659,483.01

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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.