Home / 705,140.06-973,087.71-382,843.63

Finding the Fourth Proportional to 705,140.06, 973,087.71 and 382,843.63

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Solution

The fourth proportional to 705,140.06, 973,087.71 and 382,843.63 is: 528,321.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,140.06 : 973,087.71 = 382,843.63 : x
  2. Step 2: Convert to fraction form
    705,140.06/973,087.71 = 382,843.63/x
  3. Step 3: Cross multiply
    705,140.06x = 973,087.71 × 382,843.63
  4. Step 4: Simplify right side
    705,140.06x = 372,540,426,339.35
  5. Step 5: Solve for x
    x = 372,540,426,339.35/705,140.06
  6. Step 6: Final answer
    x = 528,321.18

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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.