Home / 1,328,772.60-1,993,353.30-430,061.40

Finding the Fourth Proportional to 1,328,772.60, 1,993,353.30 and 430,061.40

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Solution

The fourth proportional to 1,328,772.60, 1,993,353.30 and 430,061.40 is: 645,155.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,328,772.60 : 1,993,353.30 = 430,061.40 : x
  2. Step 2: Convert to fraction form
    1,328,772.60/1,993,353.30 = 430,061.40/x
  3. Step 3: Cross multiply
    1,328,772.60x = 1,993,353.30 × 430,061.40
  4. Step 4: Simplify right side
    1,328,772.60x = 857,264,310,892.62
  5. Step 5: Solve for x
    x = 857,264,310,892.62/1,328,772.60
  6. Step 6: Final answer
    x = 645,155.02

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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.