Home / 926,720.16-1,390,194.72-327,557.76

Finding the Fourth Proportional to 926,720.16, 1,390,194.72 and 327,557.76

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Solution

The fourth proportional to 926,720.16, 1,390,194.72 and 327,557.76 is: 491,377.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,720.16 : 1,390,194.72 = 327,557.76 : x
  2. Step 2: Convert to fraction form
    926,720.16/1,390,194.72 = 327,557.76/x
  3. Step 3: Cross multiply
    926,720.16x = 1,390,194.72 × 327,557.76
  4. Step 4: Simplify right side
    926,720.16x = 455,369,068,447.03
  5. Step 5: Solve for x
    x = 455,369,068,447.03/926,720.16
  6. Step 6: Final answer
    x = 491,377.10

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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.