Home / 938,673.94-1,405,971.87-577,744.66

Finding the Fourth Proportional to 938,673.94, 1,405,971.87 and 577,744.66

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Solution

The fourth proportional to 938,673.94, 1,405,971.87 and 577,744.66 is: 865,361.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,673.94 : 1,405,971.87 = 577,744.66 : x
  2. Step 2: Convert to fraction form
    938,673.94/1,405,971.87 = 577,744.66/x
  3. Step 3: Cross multiply
    938,673.94x = 1,405,971.87 × 577,744.66
  4. Step 4: Simplify right side
    938,673.94x = 812,292,740,002.71
  5. Step 5: Solve for x
    x = 812,292,740,002.71/938,673.94
  6. Step 6: Final answer
    x = 865,361.98

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.