Home / 1,679,793.90-2,525,911.65-1,406,078.70

Finding the Fourth Proportional to 1,679,793.90, 2,525,911.65 and 1,406,078.70

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Solution

The fourth proportional to 1,679,793.90, 2,525,911.65 and 1,406,078.70 is: 2,114,325.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,679,793.90 : 2,525,911.65 = 1,406,078.70 : x
  2. Step 2: Convert to fraction form
    1,679,793.90/2,525,911.65 = 1,406,078.70/x
  3. Step 3: Cross multiply
    1,679,793.90x = 2,525,911.65 × 1,406,078.70
  4. Step 4: Simplify right side
    1,679,793.90x = 3,551,630,569,146.86
  5. Step 5: Solve for x
    x = 3,551,630,569,146.86/1,679,793.90
  6. Step 6: Final answer
    x = 2,114,325.20

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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.