Home / 891,545.56-1,230,042.28-504,323.54

Finding the Fourth Proportional to 891,545.56, 1,230,042.28 and 504,323.54

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Solution

The fourth proportional to 891,545.56, 1,230,042.28 and 504,323.54 is: 695,802.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    891,545.56 : 1,230,042.28 = 504,323.54 : x
  2. Step 2: Convert to fraction form
    891,545.56/1,230,042.28 = 504,323.54/x
  3. Step 3: Cross multiply
    891,545.56x = 1,230,042.28 × 504,323.54
  4. Step 4: Simplify right side
    891,545.56x = 620,339,276,999.27
  5. Step 5: Solve for x
    x = 620,339,276,999.27/891,545.56
  6. Step 6: Final answer
    x = 695,802.10

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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.