Home / 997,951.19-1,377,173.21-539,065.76

Finding the Fourth Proportional to 997,951.19, 1,377,173.21 and 539,065.76

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Solution

The fourth proportional to 997,951.19, 1,377,173.21 and 539,065.76 is: 743,911.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,951.19 : 1,377,173.21 = 539,065.76 : x
  2. Step 2: Convert to fraction form
    997,951.19/1,377,173.21 = 539,065.76/x
  3. Step 3: Cross multiply
    997,951.19x = 1,377,173.21 × 539,065.76
  4. Step 4: Simplify right side
    997,951.19x = 742,386,913,519.10
  5. Step 5: Solve for x
    x = 742,386,913,519.10/997,951.19
  6. Step 6: Final answer
    x = 743,911.05

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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.