Home / 470,487.74-649,275.48-255,628.35

Finding the Fourth Proportional to 470,487.74, 649,275.48 and 255,628.35

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Solution

The fourth proportional to 470,487.74, 649,275.48 and 255,628.35 is: 352,768.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    470,487.74 : 649,275.48 = 255,628.35 : x
  2. Step 2: Convert to fraction form
    470,487.74/649,275.48 = 255,628.35/x
  3. Step 3: Cross multiply
    470,487.74x = 649,275.48 × 255,628.35
  4. Step 4: Simplify right side
    470,487.74x = 165,973,219,647.86
  5. Step 5: Solve for x
    x = 165,973,219,647.86/470,487.74
  6. Step 6: Final answer
    x = 352,768.43

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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.