Home / 451,271.07-622,395.34-383,512.34

Finding the Fourth Proportional to 451,271.07, 622,395.34 and 383,512.34

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Solution

The fourth proportional to 451,271.07, 622,395.34 and 383,512.34 is: 528,942.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,271.07 : 622,395.34 = 383,512.34 : x
  2. Step 2: Convert to fraction form
    451,271.07/622,395.34 = 383,512.34/x
  3. Step 3: Cross multiply
    451,271.07x = 622,395.34 × 383,512.34
  4. Step 4: Simplify right side
    451,271.07x = 238,696,293,248.50
  5. Step 5: Solve for x
    x = 238,696,293,248.50/451,271.07
  6. Step 6: Final answer
    x = 528,942.16

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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.