Home / 963,778.10-1,445,690.38-324,090.16

Finding the Fourth Proportional to 963,778.10, 1,445,690.38 and 324,090.16

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Solution

The fourth proportional to 963,778.10, 1,445,690.38 and 324,090.16 is: 486,143.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    963,778.10 : 1,445,690.38 = 324,090.16 : x
  2. Step 2: Convert to fraction form
    963,778.10/1,445,690.38 = 324,090.16/x
  3. Step 3: Cross multiply
    963,778.10x = 1,445,690.38 × 324,090.16
  4. Step 4: Simplify right side
    963,778.10x = 468,534,030,879.89
  5. Step 5: Solve for x
    x = 468,534,030,879.89/963,778.10
  6. Step 6: Final answer
    x = 486,143.06

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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.