Home / 505,014.76-696,916.33-275,566.87

Finding the Fourth Proportional to 505,014.76, 696,916.33 and 275,566.87

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Solution

The fourth proportional to 505,014.76, 696,916.33 and 275,566.87 is: 380,280.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    505,014.76 : 696,916.33 = 275,566.87 : x
  2. Step 2: Convert to fraction form
    505,014.76/696,916.33 = 275,566.87/x
  3. Step 3: Cross multiply
    505,014.76x = 696,916.33 × 275,566.87
  4. Step 4: Simplify right side
    505,014.76x = 192,047,051,709.99
  5. Step 5: Solve for x
    x = 192,047,051,709.99/505,014.76
  6. Step 6: Final answer
    x = 380,280.08

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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.