Home / 914,280.50-1,261,716.54-551,634.29

Finding the Fourth Proportional to 914,280.50, 1,261,716.54 and 551,634.29

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Solution

The fourth proportional to 914,280.50, 1,261,716.54 and 551,634.29 is: 761,261.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,280.50 : 1,261,716.54 = 551,634.29 : x
  2. Step 2: Convert to fraction form
    914,280.50/1,261,716.54 = 551,634.29/x
  3. Step 3: Cross multiply
    914,280.50x = 1,261,716.54 × 551,634.29
  4. Step 4: Simplify right side
    914,280.50x = 696,006,101,415.57
  5. Step 5: Solve for x
    x = 696,006,101,415.57/914,280.50
  6. Step 6: Final answer
    x = 761,261.02

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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.