Home / 930,550.12-1,389,521.58-738,859.56

Finding the Fourth Proportional to 930,550.12, 1,389,521.58 and 738,859.56

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Solution

The fourth proportional to 930,550.12, 1,389,521.58 and 738,859.56 is: 1,103,284.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,550.12 : 1,389,521.58 = 738,859.56 : x
  2. Step 2: Convert to fraction form
    930,550.12/1,389,521.58 = 738,859.56/x
  3. Step 3: Cross multiply
    930,550.12x = 1,389,521.58 × 738,859.56
  4. Step 4: Simplify right side
    930,550.12x = 1,026,661,303,209.31
  5. Step 5: Solve for x
    x = 1,026,661,303,209.31/930,550.12
  6. Step 6: Final answer
    x = 1,103,284.26

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.