Home / 470,700.02-649,569.90-255,840.02

Finding the Fourth Proportional to 470,700.02, 649,569.90 and 255,840.02

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Solution

The fourth proportional to 470,700.02, 649,569.90 and 255,840.02 is: 353,061.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,700.02 : 649,569.90 = 255,840.02 : x
  2. Step 2: Convert to fraction form
    470,700.02/649,569.90 = 255,840.02/x
  3. Step 3: Cross multiply
    470,700.02x = 649,569.90 × 255,840.02
  4. Step 4: Simplify right side
    470,700.02x = 166,185,976,207.40
  5. Step 5: Solve for x
    x = 166,185,976,207.40/470,700.02
  6. Step 6: Final answer
    x = 353,061.33

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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.