Home / 949,981.98-1,310,977.11-514,404.06

Finding the Fourth Proportional to 949,981.98, 1,310,977.11 and 514,404.06

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Solution

The fourth proportional to 949,981.98, 1,310,977.11 and 514,404.06 is: 709,878.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    949,981.98 : 1,310,977.11 = 514,404.06 : x
  2. Step 2: Convert to fraction form
    949,981.98/1,310,977.11 = 514,404.06/x
  3. Step 3: Cross multiply
    949,981.98x = 1,310,977.11 × 514,404.06
  4. Step 4: Simplify right side
    949,981.98x = 674,371,947,951.07
  5. Step 5: Solve for x
    x = 674,371,947,951.07/949,981.98
  6. Step 6: Final answer
    x = 709,878.67

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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.