Home / 786,034.13-1,084,655.51-454,832.81

Finding the Fourth Proportional to 786,034.13, 1,084,655.51 and 454,832.81

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Solution

The fourth proportional to 786,034.13, 1,084,655.51 and 454,832.81 is: 627,627.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,034.13 : 1,084,655.51 = 454,832.81 : x
  2. Step 2: Convert to fraction form
    786,034.13/1,084,655.51 = 454,832.81/x
  3. Step 3: Cross multiply
    786,034.13x = 1,084,655.51 × 454,832.81
  4. Step 4: Simplify right side
    786,034.13x = 493,336,905,797.84
  5. Step 5: Solve for x
    x = 493,336,905,797.84/786,034.13
  6. Step 6: Final answer
    x = 627,627.85

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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.