Home / 705,185.29-973,128.41-382,888.01

Finding the Fourth Proportional to 705,185.29, 973,128.41 and 382,888.01

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Solution

The fourth proportional to 705,185.29, 973,128.41 and 382,888.01 is: 528,370.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,185.29 : 973,128.41 = 382,888.01 : x
  2. Step 2: Convert to fraction form
    705,185.29/973,128.41 = 382,888.01/x
  3. Step 3: Cross multiply
    705,185.29x = 973,128.41 × 382,888.01
  4. Step 4: Simplify right side
    705,185.29x = 372,599,204,487.32
  5. Step 5: Solve for x
    x = 372,599,204,487.32/705,185.29
  6. Step 6: Final answer
    x = 528,370.64

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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.