Home / 1,256,117.81-1,883,893.70-357,539.64

Finding the Fourth Proportional to 1,256,117.81, 1,883,893.70 and 357,539.64

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Solution

The fourth proportional to 1,256,117.81, 1,883,893.70 and 357,539.64 is: 536,228.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,117.81 : 1,883,893.70 = 357,539.64 : x
  2. Step 2: Convert to fraction form
    1,256,117.81/1,883,893.70 = 357,539.64/x
  3. Step 3: Cross multiply
    1,256,117.81x = 1,883,893.70 × 357,539.64
  4. Step 4: Simplify right side
    1,256,117.81x = 673,566,673,508.57
  5. Step 5: Solve for x
    x = 673,566,673,508.57/1,256,117.81
  6. Step 6: Final answer
    x = 536,228.90

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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.