Home / 955,286.91-1,318,295.89-525,557.81

Finding the Fourth Proportional to 955,286.91, 1,318,295.89 and 525,557.81

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Solution

The fourth proportional to 955,286.91, 1,318,295.89 and 525,557.81 is: 725,269.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    955,286.91 : 1,318,295.89 = 525,557.81 : x
  2. Step 2: Convert to fraction form
    955,286.91/1,318,295.89 = 525,557.81/x
  3. Step 3: Cross multiply
    955,286.91x = 1,318,295.89 × 525,557.81
  4. Step 4: Simplify right side
    955,286.91x = 692,840,702,862.25
  5. Step 5: Solve for x
    x = 692,840,702,862.25/955,286.91
  6. Step 6: Final answer
    x = 725,269.75

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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.