Home / 945,014.87-1,417,078.98-345,556.87

Finding the Fourth Proportional to 945,014.87, 1,417,078.98 and 345,556.87

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Solution

The fourth proportional to 945,014.87, 1,417,078.98 and 345,556.87 is: 518,173.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    945,014.87 : 1,417,078.98 = 345,556.87 : x
  2. Step 2: Convert to fraction form
    945,014.87/1,417,078.98 = 345,556.87/x
  3. Step 3: Cross multiply
    945,014.87x = 1,417,078.98 × 345,556.87
  4. Step 4: Simplify right side
    945,014.87x = 489,681,373,328.90
  5. Step 5: Solve for x
    x = 489,681,373,328.90/945,014.87
  6. Step 6: Final answer
    x = 518,173.19

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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.