Home / 838,399.04-1,156,954.38-456,427.16

Finding the Fourth Proportional to 838,399.04, 1,156,954.38 and 456,427.16

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Solution

The fourth proportional to 838,399.04, 1,156,954.38 and 456,427.16 is: 629,849.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,399.04 : 1,156,954.38 = 456,427.16 : x
  2. Step 2: Convert to fraction form
    838,399.04/1,156,954.38 = 456,427.16/x
  3. Step 3: Cross multiply
    838,399.04x = 1,156,954.38 × 456,427.16
  4. Step 4: Simplify right side
    838,399.04x = 528,065,401,912.96
  5. Step 5: Solve for x
    x = 528,065,401,912.96/838,399.04
  6. Step 6: Final answer
    x = 629,849.72

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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.