Home / 407,856.03-562,908.20-235,779.63

Finding the Fourth Proportional to 407,856.03, 562,908.20 and 235,779.63

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Solution

The fourth proportional to 407,856.03, 562,908.20 and 235,779.63 is: 325,414.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    407,856.03 : 562,908.20 = 235,779.63 : x
  2. Step 2: Convert to fraction form
    407,856.03/562,908.20 = 235,779.63/x
  3. Step 3: Cross multiply
    407,856.03x = 562,908.20 × 235,779.63
  4. Step 4: Simplify right side
    407,856.03x = 132,722,285,941.07
  5. Step 5: Solve for x
    x = 132,722,285,941.07/407,856.03
  6. Step 6: Final answer
    x = 325,414.55

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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.