Home / 326,058.85-489,088.28-214,084.45

Finding the Fourth Proportional to 326,058.85, 489,088.28 and 214,084.45

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Solution

The fourth proportional to 326,058.85, 489,088.28 and 214,084.45 is: 321,126.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    326,058.85 : 489,088.28 = 214,084.45 : x
  2. Step 2: Convert to fraction form
    326,058.85/489,088.28 = 214,084.45/x
  3. Step 3: Cross multiply
    326,058.85x = 489,088.28 × 214,084.45
  4. Step 4: Simplify right side
    326,058.85x = 104,706,194,354.82
  5. Step 5: Solve for x
    x = 104,706,194,354.82/326,058.85
  6. Step 6: Final answer
    x = 321,126.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.