Home / 1,779,236.40-2,669,200.20-768,356.40

Finding the Fourth Proportional to 1,779,236.40, 2,669,200.20 and 768,356.40

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Solution

The fourth proportional to 1,779,236.40, 2,669,200.20 and 768,356.40 is: 1,152,683.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,779,236.40 : 2,669,200.20 = 768,356.40 : x
  2. Step 2: Convert to fraction form
    1,779,236.40/2,669,200.20 = 768,356.40/x
  3. Step 3: Cross multiply
    1,779,236.40x = 2,669,200.20 × 768,356.40
  4. Step 4: Simplify right side
    1,779,236.40x = 2,050,897,056,551.28
  5. Step 5: Solve for x
    x = 2,050,897,056,551.28/1,779,236.40
  6. Step 6: Final answer
    x = 1,152,683.85

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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.