Home / 438,623.07-605,301.75-237,419.07

Finding the Fourth Proportional to 438,623.07, 605,301.75 and 237,419.07

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Solution

The fourth proportional to 438,623.07, 605,301.75 and 237,419.07 is: 327,639.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,623.07 : 605,301.75 = 237,419.07 : x
  2. Step 2: Convert to fraction form
    438,623.07/605,301.75 = 237,419.07/x
  3. Step 3: Cross multiply
    438,623.07x = 605,301.75 × 237,419.07
  4. Step 4: Simplify right side
    438,623.07x = 143,710,178,554.37
  5. Step 5: Solve for x
    x = 143,710,178,554.37/438,623.07
  6. Step 6: Final answer
    x = 327,639.35

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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.