Home / 916,736.96-1,265,077.32-508,814.96

Finding the Fourth Proportional to 916,736.96, 1,265,077.32 and 508,814.96

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Solution

The fourth proportional to 916,736.96, 1,265,077.32 and 508,814.96 is: 702,153.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,736.96 : 1,265,077.32 = 508,814.96 : x
  2. Step 2: Convert to fraction form
    916,736.96/1,265,077.32 = 508,814.96/x
  3. Step 3: Cross multiply
    916,736.96x = 1,265,077.32 × 508,814.96
  4. Step 4: Simplify right side
    916,736.96x = 643,690,265,972.71
  5. Step 5: Solve for x
    x = 643,690,265,972.71/916,736.96
  6. Step 6: Final answer
    x = 702,153.72

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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.