Home / 510,566.85-766,323.09-258,025.05

Finding the Fourth Proportional to 510,566.85, 766,323.09 and 258,025.05

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Solution

The fourth proportional to 510,566.85, 766,323.09 and 258,025.05 is: 387,276.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    510,566.85 : 766,323.09 = 258,025.05 : x
  2. Step 2: Convert to fraction form
    510,566.85/766,323.09 = 258,025.05/x
  3. Step 3: Cross multiply
    510,566.85x = 766,323.09 × 258,025.05
  4. Step 4: Simplify right side
    510,566.85x = 197,730,553,613.40
  5. Step 5: Solve for x
    x = 197,730,553,613.40/510,566.85
  6. Step 6: Final answer
    x = 387,276.52

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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.