Home / 314,560.48-434,401.92-268,975.24

Finding the Fourth Proportional to 314,560.48, 434,401.92 and 268,975.24

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Solution

The fourth proportional to 314,560.48, 434,401.92 and 268,975.24 is: 371,449.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    314,560.48 : 434,401.92 = 268,975.24 : x
  2. Step 2: Convert to fraction form
    314,560.48/434,401.92 = 268,975.24/x
  3. Step 3: Cross multiply
    314,560.48x = 434,401.92 × 268,975.24
  4. Step 4: Simplify right side
    314,560.48x = 116,843,360,688.46
  5. Step 5: Solve for x
    x = 116,843,360,688.46/314,560.48
  6. Step 6: Final answer
    x = 371,449.59

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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.