Home / 470,917.76-649,852.32-256,058.24

Finding the Fourth Proportional to 470,917.76, 649,852.32 and 256,058.24

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Solution

The fourth proportional to 470,917.76, 649,852.32 and 256,058.24 is: 353,352.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,917.76 : 649,852.32 = 256,058.24 : x
  2. Step 2: Convert to fraction form
    470,917.76/649,852.32 = 256,058.24/x
  3. Step 3: Cross multiply
    470,917.76x = 649,852.32 × 256,058.24
  4. Step 4: Simplify right side
    470,917.76x = 166,400,041,319.12
  5. Step 5: Solve for x
    x = 166,400,041,319.12/470,917.76
  6. Step 6: Final answer
    x = 353,352.66

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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.