Home / 705,131.91-973,089.05-382,844.66

Finding the Fourth Proportional to 705,131.91, 973,089.05 and 382,844.66

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Solution

The fourth proportional to 705,131.91, 973,089.05 and 382,844.66 is: 528,329.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,131.91 : 973,089.05 = 382,844.66 : x
  2. Step 2: Convert to fraction form
    705,131.91/973,089.05 = 382,844.66/x
  3. Step 3: Cross multiply
    705,131.91x = 973,089.05 × 382,844.66
  4. Step 4: Simplify right side
    705,131.91x = 372,541,939,717.31
  5. Step 5: Solve for x
    x = 372,541,939,717.31/705,131.91
  6. Step 6: Final answer
    x = 528,329.43

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Double scale
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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.