Home / 938,943.70-1,295,623.48-556,895.86

Finding the Fourth Proportional to 938,943.70, 1,295,623.48 and 556,895.86

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Solution

The fourth proportional to 938,943.70, 1,295,623.48 and 556,895.86 is: 768,445.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,943.70 : 1,295,623.48 = 556,895.86 : x
  2. Step 2: Convert to fraction form
    938,943.70/1,295,623.48 = 556,895.86/x
  3. Step 3: Cross multiply
    938,943.70x = 1,295,623.48 × 556,895.86
  4. Step 4: Simplify right side
    938,943.70x = 721,527,352,130.79
  5. Step 5: Solve for x
    x = 721,527,352,130.79/938,943.70
  6. Step 6: Final answer
    x = 768,445.81

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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.