Home / 675,929.18-932,718.48-403,942.93

Finding the Fourth Proportional to 675,929.18, 932,718.48 and 403,942.93

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Solution

The fourth proportional to 675,929.18, 932,718.48 and 403,942.93 is: 557,403.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,929.18 : 932,718.48 = 403,942.93 : x
  2. Step 2: Convert to fraction form
    675,929.18/932,718.48 = 403,942.93/x
  3. Step 3: Cross multiply
    675,929.18x = 932,718.48 × 403,942.93
  4. Step 4: Simplify right side
    675,929.18x = 376,765,031,829.76
  5. Step 5: Solve for x
    x = 376,765,031,829.76/675,929.18
  6. Step 6: Final answer
    x = 557,403.11

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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.