Home / 1,353,432.40-2,029,541.70-806,583.06

Finding the Fourth Proportional to 1,353,432.40, 2,029,541.70 and 806,583.06

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Solution

The fourth proportional to 1,353,432.40, 2,029,541.70 and 806,583.06 is: 1,209,512.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,432.40 : 2,029,541.70 = 806,583.06 : x
  2. Step 2: Convert to fraction form
    1,353,432.40/2,029,541.70 = 806,583.06/x
  3. Step 3: Cross multiply
    1,353,432.40x = 2,029,541.70 × 806,583.06
  4. Step 4: Simplify right side
    1,353,432.40x = 1,636,993,952,100.20
  5. Step 5: Solve for x
    x = 1,636,993,952,100.20/1,353,432.40
  6. Step 6: Final answer
    x = 1,209,512.90

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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.