Home / 1,406,105.62-2,109,267.77-459,572.02

Finding the Fourth Proportional to 1,406,105.62, 2,109,267.77 and 459,572.02

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Solution

The fourth proportional to 1,406,105.62, 2,109,267.77 and 459,572.02 is: 689,393.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,406,105.62 : 2,109,267.77 = 459,572.02 : x
  2. Step 2: Convert to fraction form
    1,406,105.62/2,109,267.77 = 459,572.02/x
  3. Step 3: Cross multiply
    1,406,105.62x = 2,109,267.77 × 459,572.02
  4. Step 4: Simplify right side
    1,406,105.62x = 969,360,449,779.80
  5. Step 5: Solve for x
    x = 969,360,449,779.80/1,406,105.62
  6. Step 6: Final answer
    x = 689,393.77

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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.