Home / 818,853.64-1,130,002.89-446,319.78

Finding the Fourth Proportional to 818,853.64, 1,130,002.89 and 446,319.78

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Solution

The fourth proportional to 818,853.64, 1,130,002.89 and 446,319.78 is: 615,913.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,853.64 : 1,130,002.89 = 446,319.78 : x
  2. Step 2: Convert to fraction form
    818,853.64/1,130,002.89 = 446,319.78/x
  3. Step 3: Cross multiply
    818,853.64x = 1,130,002.89 × 446,319.78
  4. Step 4: Simplify right side
    818,853.64x = 504,342,638,308.56
  5. Step 5: Solve for x
    x = 504,342,638,308.56/818,853.64
  6. Step 6: Final answer
    x = 615,913.04

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.