Home / 938,410.50-1,405,342.64-649,412.34

Finding the Fourth Proportional to 938,410.50, 1,405,342.64 and 649,412.34

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Solution

The fourth proportional to 938,410.50, 1,405,342.64 and 649,412.34 is: 972,545.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,410.50 : 1,405,342.64 = 649,412.34 : x
  2. Step 2: Convert to fraction form
    938,410.50/1,405,342.64 = 649,412.34/x
  3. Step 3: Cross multiply
    938,410.50x = 1,405,342.64 × 649,412.34
  4. Step 4: Simplify right side
    938,410.50x = 912,646,846,941.00
  5. Step 5: Solve for x
    x = 912,646,846,941.00/938,410.50
  6. Step 6: Final answer
    x = 972,545.43

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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.