Home / 513,210.91-708,181.12-283,736.77

Finding the Fourth Proportional to 513,210.91, 708,181.12 and 283,736.77

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Solution

The fourth proportional to 513,210.91, 708,181.12 and 283,736.77 is: 391,529.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,210.91 : 708,181.12 = 283,736.77 : x
  2. Step 2: Convert to fraction form
    513,210.91/708,181.12 = 283,736.77/x
  3. Step 3: Cross multiply
    513,210.91x = 708,181.12 × 283,736.77
  4. Step 4: Simplify right side
    513,210.91x = 200,937,023,563.78
  5. Step 5: Solve for x
    x = 200,937,023,563.78/513,210.91
  6. Step 6: Final answer
    x = 391,529.13

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1.5x scale

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.