Home / 2,914,384.80-4,371,577.20-919,840.80

Finding the Fourth Proportional to 2,914,384.80, 4,371,577.20 and 919,840.80

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Solution

The fourth proportional to 2,914,384.80, 4,371,577.20 and 919,840.80 is: 1,379,761.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,914,384.80 : 4,371,577.20 = 919,840.80 : x
  2. Step 2: Convert to fraction form
    2,914,384.80/4,371,577.20 = 919,840.80/x
  3. Step 3: Cross multiply
    2,914,384.80x = 4,371,577.20 × 919,840.80
  4. Step 4: Simplify right side
    2,914,384.80x = 4,021,155,068,909.76
  5. Step 5: Solve for x
    x = 4,021,155,068,909.76/2,914,384.80
  6. Step 6: Final answer
    x = 1,379,761.20

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Double scale
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Similar ratio
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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.