Home / 1,291,098.60-1,936,647.90-1,066,712.40

Finding the Fourth Proportional to 1,291,098.60, 1,936,647.90 and 1,066,712.40

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Solution

The fourth proportional to 1,291,098.60, 1,936,647.90 and 1,066,712.40 is: 1,600,068.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,291,098.60 : 1,936,647.90 = 1,066,712.40 : x
  2. Step 2: Convert to fraction form
    1,291,098.60/1,936,647.90 = 1,066,712.40/x
  3. Step 3: Cross multiply
    1,291,098.60x = 1,936,647.90 × 1,066,712.40
  4. Step 4: Simplify right side
    1,291,098.60x = 2,065,846,329,363.96
  5. Step 5: Solve for x
    x = 2,065,846,329,363.96/1,291,098.60
  6. Step 6: Final answer
    x = 1,600,068.60

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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.