Home / 938,670.66-1,295,148.51-633,313.53

Finding the Fourth Proportional to 938,670.66, 1,295,148.51 and 633,313.53

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Solution

The fourth proportional to 938,670.66, 1,295,148.51 and 633,313.53 is: 873,826.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,670.66 : 1,295,148.51 = 633,313.53 : x
  2. Step 2: Convert to fraction form
    938,670.66/1,295,148.51 = 633,313.53/x
  3. Step 3: Cross multiply
    938,670.66x = 1,295,148.51 × 633,313.53
  4. Step 4: Simplify right side
    938,670.66x = 820,235,074,742.34
  5. Step 5: Solve for x
    x = 820,235,074,742.34/938,670.66
  6. Step 6: Final answer
    x = 873,826.26

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1.5x scale

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.