Home / 1,403,508.48-1,936,861.62-859,445.76

Finding the Fourth Proportional to 1,403,508.48, 1,936,861.62 and 859,445.76

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Solution

The fourth proportional to 1,403,508.48, 1,936,861.62 and 859,445.76 is: 1,186,047.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,403,508.48 : 1,936,861.62 = 859,445.76 : x
  2. Step 2: Convert to fraction form
    1,403,508.48/1,936,861.62 = 859,445.76/x
  3. Step 3: Cross multiply
    1,403,508.48x = 1,936,861.62 × 859,445.76
  4. Step 4: Simplify right side
    1,403,508.48x = 1,664,627,507,015.73
  5. Step 5: Solve for x
    x = 1,664,627,507,015.73/1,403,508.48
  6. Step 6: Final answer
    x = 1,186,047.35

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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.