Home / 834,138.95-1,151,103.09-466,611.32

Finding the Fourth Proportional to 834,138.95, 1,151,103.09 and 466,611.32

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Solution

The fourth proportional to 834,138.95, 1,151,103.09 and 466,611.32 is: 643,918.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,138.95 : 1,151,103.09 = 466,611.32 : x
  2. Step 2: Convert to fraction form
    834,138.95/1,151,103.09 = 466,611.32/x
  3. Step 3: Cross multiply
    834,138.95x = 1,151,103.09 × 466,611.32
  4. Step 4: Simplify right side
    834,138.95x = 537,117,732,280.98
  5. Step 5: Solve for x
    x = 537,117,732,280.98/834,138.95
  6. Step 6: Final answer
    x = 643,918.78

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Double scale
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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.