Home / 352,612.80-528,917.76-290,151.36

Finding the Fourth Proportional to 352,612.80, 528,917.76 and 290,151.36

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Solution

The fourth proportional to 352,612.80, 528,917.76 and 290,151.36 is: 435,225.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    352,612.80 : 528,917.76 = 290,151.36 : x
  2. Step 2: Convert to fraction form
    352,612.80/528,917.76 = 290,151.36/x
  3. Step 3: Cross multiply
    352,612.80x = 528,917.76 × 290,151.36
  4. Step 4: Simplify right side
    352,612.80x = 153,466,207,392.15
  5. Step 5: Solve for x
    x = 153,466,207,392.15/352,612.80
  6. Step 6: Final answer
    x = 435,225.86

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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.