Home / 938,054.32-1,407,280.20-361,692.34

Finding the Fourth Proportional to 938,054.32, 1,407,280.20 and 361,692.34

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Solution

The fourth proportional to 938,054.32, 1,407,280.20 and 361,692.34 is: 542,615.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,054.32 : 1,407,280.20 = 361,692.34 : x
  2. Step 2: Convert to fraction form
    938,054.32/1,407,280.20 = 361,692.34/x
  3. Step 3: Cross multiply
    938,054.32x = 1,407,280.20 × 361,692.34
  4. Step 4: Simplify right side
    938,054.32x = 509,002,468,573.67
  5. Step 5: Solve for x
    x = 509,002,468,573.67/938,054.32
  6. Step 6: Final answer
    x = 542,615.13

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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.