Home / 914,141.80-1,371,431.40-440,437.60

Finding the Fourth Proportional to 914,141.80, 1,371,431.40 and 440,437.60

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Solution

The fourth proportional to 914,141.80, 1,371,431.40 and 440,437.60 is: 660,761.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,141.80 : 1,371,431.40 = 440,437.60 : x
  2. Step 2: Convert to fraction form
    914,141.80/1,371,431.40 = 440,437.60/x
  3. Step 3: Cross multiply
    914,141.80x = 1,371,431.40 × 440,437.60
  4. Step 4: Simplify right side
    914,141.80x = 604,029,954,380.64
  5. Step 5: Solve for x
    x = 604,029,954,380.64/914,141.80
  6. Step 6: Final answer
    x = 660,761.77

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.