Home / 742,777.02-1,025,044.20-403,245

Finding the Fourth Proportional to 742,777.02, 1,025,044.20 and 403,245

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Solution

The fourth proportional to 742,777.02, 1,025,044.20 and 403,245 is: 556,484.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,777.02 : 1,025,044.20 = 403,245 : x
  2. Step 2: Convert to fraction form
    742,777.02/1,025,044.20 = 403,245/x
  3. Step 3: Cross multiply
    742,777.02x = 1,025,044.20 × 403,245
  4. Step 4: Simplify right side
    742,777.02x = 413,343,948,429
  5. Step 5: Solve for x
    x = 413,343,948,429/742,777.02
  6. Step 6: Final answer
    x = 556,484.57

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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.