Home / 514,312.20-771,591.48-214,626.06

Finding the Fourth Proportional to 514,312.20, 771,591.48 and 214,626.06

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Solution

The fourth proportional to 514,312.20, 771,591.48 and 214,626.06 is: 321,990.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,312.20 : 771,591.48 = 214,626.06 : x
  2. Step 2: Convert to fraction form
    514,312.20/771,591.48 = 214,626.06/x
  3. Step 3: Cross multiply
    514,312.20x = 771,591.48 × 214,626.06
  4. Step 4: Simplify right side
    514,312.20x = 165,603,639,281.97
  5. Step 5: Solve for x
    x = 165,603,639,281.97/514,312.20
  6. Step 6: Final answer
    x = 321,990.49

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1.5x scale

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.