Home / 798,155.91-1,101,478.48-435,603.05

Finding the Fourth Proportional to 798,155.91, 1,101,478.48 and 435,603.05

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Solution

The fourth proportional to 798,155.91, 1,101,478.48 and 435,603.05 is: 601,144.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    798,155.91 : 1,101,478.48 = 435,603.05 : x
  2. Step 2: Convert to fraction form
    798,155.91/1,101,478.48 = 435,603.05/x
  3. Step 3: Cross multiply
    798,155.91x = 1,101,478.48 × 435,603.05
  4. Step 4: Simplify right side
    798,155.91x = 479,807,379,889.97
  5. Step 5: Solve for x
    x = 479,807,379,889.97/798,155.91
  6. Step 6: Final answer
    x = 601,144.94

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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.