Home / 1,118,410.35-1,543,423.86-609,112.32

Finding the Fourth Proportional to 1,118,410.35, 1,543,423.86 and 609,112.32

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Solution

The fourth proportional to 1,118,410.35, 1,543,423.86 and 609,112.32 is: 840,584.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,410.35 : 1,543,423.86 = 609,112.32 : x
  2. Step 2: Convert to fraction form
    1,118,410.35/1,543,423.86 = 609,112.32/x
  3. Step 3: Cross multiply
    1,118,410.35x = 1,543,423.86 × 609,112.32
  4. Step 4: Simplify right side
    1,118,410.35x = 940,118,488,107.96
  5. Step 5: Solve for x
    x = 940,118,488,107.96/1,118,410.35
  6. Step 6: Final answer
    x = 840,584.57

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.