Home / 1,384,155.60-2,076,233.40-905,858.70

Finding the Fourth Proportional to 1,384,155.60, 2,076,233.40 and 905,858.70

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Solution

The fourth proportional to 1,384,155.60, 2,076,233.40 and 905,858.70 is: 1,358,788.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,384,155.60 : 2,076,233.40 = 905,858.70 : x
  2. Step 2: Convert to fraction form
    1,384,155.60/2,076,233.40 = 905,858.70/x
  3. Step 3: Cross multiply
    1,384,155.60x = 2,076,233.40 × 905,858.70
  4. Step 4: Simplify right side
    1,384,155.60x = 1,880,774,088,620.58
  5. Step 5: Solve for x
    x = 1,880,774,088,620.58/1,384,155.60
  6. Step 6: Final answer
    x = 1,358,788.05

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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.