Home / 929,382.96-1,282,495.32-515,898.48

Finding the Fourth Proportional to 929,382.96, 1,282,495.32 and 515,898.48

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Solution

The fourth proportional to 929,382.96, 1,282,495.32 and 515,898.48 is: 711,910.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,382.96 : 1,282,495.32 = 515,898.48 : x
  2. Step 2: Convert to fraction form
    929,382.96/1,282,495.32 = 515,898.48/x
  3. Step 3: Cross multiply
    929,382.96x = 1,282,495.32 × 515,898.48
  4. Step 4: Simplify right side
    929,382.96x = 661,637,386,195.11
  5. Step 5: Solve for x
    x = 661,637,386,195.11/929,382.96
  6. Step 6: Final answer
    x = 711,910.39

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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.