Home / 558,285.59-770,039.57-386,256.17

Finding the Fourth Proportional to 558,285.59, 770,039.57 and 386,256.17

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Solution

The fourth proportional to 558,285.59, 770,039.57 and 386,256.17 is: 532,760.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,285.59 : 770,039.57 = 386,256.17 : x
  2. Step 2: Convert to fraction form
    558,285.59/770,039.57 = 386,256.17/x
  3. Step 3: Cross multiply
    558,285.59x = 770,039.57 × 386,256.17
  4. Step 4: Simplify right side
    558,285.59x = 297,432,529,275.17
  5. Step 5: Solve for x
    x = 297,432,529,275.17/558,285.59
  6. Step 6: Final answer
    x = 532,760.54

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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.