Home / 470,990.02-649,983.36-269,824.90

Finding the Fourth Proportional to 470,990.02, 649,983.36 and 269,824.90

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Solution

The fourth proportional to 470,990.02, 649,983.36 and 269,824.90 is: 372,368.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,990.02 : 649,983.36 = 269,824.90 : x
  2. Step 2: Convert to fraction form
    470,990.02/649,983.36 = 269,824.90/x
  3. Step 3: Cross multiply
    470,990.02x = 649,983.36 × 269,824.90
  4. Step 4: Simplify right side
    470,990.02x = 175,381,695,113.66
  5. Step 5: Solve for x
    x = 175,381,695,113.66/470,990.02
  6. Step 6: Final answer
    x = 372,368.18

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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.