Home / 938,416.03-1,405,350.95-649,417.86

Finding the Fourth Proportional to 938,416.03, 1,405,350.95 and 649,417.86

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Solution

The fourth proportional to 938,416.03, 1,405,350.95 and 649,417.86 is: 972,553.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,416.03 : 1,405,350.95 = 649,417.86 : x
  2. Step 2: Convert to fraction form
    938,416.03/1,405,350.95 = 649,417.86/x
  3. Step 3: Cross multiply
    938,416.03x = 1,405,350.95 × 649,417.86
  4. Step 4: Simplify right side
    938,416.03x = 912,660,003,250.88
  5. Step 5: Solve for x
    x = 912,660,003,250.88/938,416.03
  6. Step 6: Final answer
    x = 972,553.73

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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.