Home / 438,530.79-605,172.48-237,326.79

Finding the Fourth Proportional to 438,530.79, 605,172.48 and 237,326.79

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Solution

The fourth proportional to 438,530.79, 605,172.48 and 237,326.79 is: 327,510.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    438,530.79 : 605,172.48 = 237,326.79 : x
  2. Step 2: Convert to fraction form
    438,530.79/605,172.48 = 237,326.79/x
  3. Step 3: Cross multiply
    438,530.79x = 605,172.48 × 237,326.79
  4. Step 4: Simplify right side
    438,530.79x = 143,623,642,074.74
  5. Step 5: Solve for x
    x = 143,623,642,074.74/438,530.79
  6. Step 6: Final answer
    x = 327,510.96

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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.