Home / 874,543.76-1,312,515.48-453,939.92

Finding the Fourth Proportional to 874,543.76, 1,312,515.48 and 453,939.92

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Solution

The fourth proportional to 874,543.76, 1,312,515.48 and 453,939.92 is: 681,273.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,543.76 : 1,312,515.48 = 453,939.92 : x
  2. Step 2: Convert to fraction form
    874,543.76/1,312,515.48 = 453,939.92/x
  3. Step 3: Cross multiply
    874,543.76x = 1,312,515.48 × 453,939.92
  4. Step 4: Simplify right side
    874,543.76x = 595,803,171,989.96
  5. Step 5: Solve for x
    x = 595,803,171,989.96/874,543.76
  6. Step 6: Final answer
    x = 681,273.14

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.