Home / 938,111.56-1,294,658.66-570,732.02

Finding the Fourth Proportional to 938,111.56, 1,294,658.66 and 570,732.02

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Solution

The fourth proportional to 938,111.56, 1,294,658.66 and 570,732.02 is: 787,649.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,111.56 : 1,294,658.66 = 570,732.02 : x
  2. Step 2: Convert to fraction form
    938,111.56/1,294,658.66 = 570,732.02/x
  3. Step 3: Cross multiply
    938,111.56x = 1,294,658.66 × 570,732.02
  4. Step 4: Simplify right side
    938,111.56x = 738,903,152,232.29
  5. Step 5: Solve for x
    x = 738,903,152,232.29/938,111.56
  6. Step 6: Final answer
    x = 787,649.55

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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.