Home / 451,312.17-622,729.13-290,130.27

Finding the Fourth Proportional to 451,312.17, 622,729.13 and 290,130.27

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Solution

The fourth proportional to 451,312.17, 622,729.13 and 290,130.27 is: 400,327.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    451,312.17 : 622,729.13 = 290,130.27 : x
  2. Step 2: Convert to fraction form
    451,312.17/622,729.13 = 290,130.27/x
  3. Step 3: Cross multiply
    451,312.17x = 622,729.13 × 290,130.27
  4. Step 4: Simplify right side
    451,312.17x = 180,672,569,173.11
  5. Step 5: Solve for x
    x = 180,672,569,173.11/451,312.17
  6. Step 6: Final answer
    x = 400,327.27

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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.