Home / 641,733.48-886,192.29-412,688.52

Finding the Fourth Proportional to 641,733.48, 886,192.29 and 412,688.52

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Solution

The fourth proportional to 641,733.48, 886,192.29 and 412,688.52 is: 569,896.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    641,733.48 : 886,192.29 = 412,688.52 : x
  2. Step 2: Convert to fraction form
    641,733.48/886,192.29 = 412,688.52/x
  3. Step 3: Cross multiply
    641,733.48x = 886,192.29 × 412,688.52
  4. Step 4: Simplify right side
    641,733.48x = 365,721,384,595.51
  5. Step 5: Solve for x
    x = 365,721,384,595.51/641,733.48
  6. Step 6: Final answer
    x = 569,896.06

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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.