Home / 834,138.80-1,151,102.87-466,611.16

Finding the Fourth Proportional to 834,138.80, 1,151,102.87 and 466,611.16

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Solution

The fourth proportional to 834,138.80, 1,151,102.87 and 466,611.16 is: 643,918.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,138.80 : 1,151,102.87 = 466,611.16 : x
  2. Step 2: Convert to fraction form
    834,138.80/1,151,102.87 = 466,611.16/x
  3. Step 3: Cross multiply
    834,138.80x = 1,151,102.87 × 466,611.16
  4. Step 4: Simplify right side
    834,138.80x = 537,117,439,694.52
  5. Step 5: Solve for x
    x = 537,117,439,694.52/834,138.80
  6. Step 6: Final answer
    x = 643,918.55

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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.