Home / 1,776,190.40-2,664,631.20-514,059.20

Finding the Fourth Proportional to 1,776,190.40, 2,664,631.20 and 514,059.20

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Solution

The fourth proportional to 1,776,190.40, 2,664,631.20 and 514,059.20 is: 771,188.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,776,190.40 : 2,664,631.20 = 514,059.20 : x
  2. Step 2: Convert to fraction form
    1,776,190.40/2,664,631.20 = 514,059.20/x
  3. Step 3: Cross multiply
    1,776,190.40x = 2,664,631.20 × 514,059.20
  4. Step 4: Simplify right side
    1,776,190.40x = 1,369,778,182,967.04
  5. Step 5: Solve for x
    x = 1,369,778,182,967.04/1,776,190.40
  6. Step 6: Final answer
    x = 771,188.82

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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.