Home / 470,664.74-649,521.60-255,805.32

Finding the Fourth Proportional to 470,664.74, 649,521.60 and 255,805.32

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Solution

The fourth proportional to 470,664.74, 649,521.60 and 255,805.32 is: 353,013.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,664.74 : 649,521.60 = 255,805.32 : x
  2. Step 2: Convert to fraction form
    470,664.74/649,521.60 = 255,805.32/x
  3. Step 3: Cross multiply
    470,664.74x = 649,521.60 × 255,805.32
  4. Step 4: Simplify right side
    470,664.74x = 166,151,080,734.91
  5. Step 5: Solve for x
    x = 166,151,080,734.91/470,664.74
  6. Step 6: Final answer
    x = 353,013.66

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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.