Home / 834,294.64-1,151,319.66-471,789.68

Finding the Fourth Proportional to 834,294.64, 1,151,319.66 and 471,789.68

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Solution

The fourth proportional to 834,294.64, 1,151,319.66 and 471,789.68 is: 651,065.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,294.64 : 1,151,319.66 = 471,789.68 : x
  2. Step 2: Convert to fraction form
    834,294.64/1,151,319.66 = 471,789.68/x
  3. Step 3: Cross multiply
    834,294.64x = 1,151,319.66 × 471,789.68
  4. Step 4: Simplify right side
    834,294.64x = 543,180,733,969.11
  5. Step 5: Solve for x
    x = 543,180,733,969.11/834,294.64
  6. Step 6: Final answer
    x = 651,065.83

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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.