Home / 742,074.71-1,024,063.43-419,777.93

Finding the Fourth Proportional to 742,074.71, 1,024,063.43 and 419,777.93

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Solution

The fourth proportional to 742,074.71, 1,024,063.43 and 419,777.93 is: 579,293.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    742,074.71 : 1,024,063.43 = 419,777.93 : x
  2. Step 2: Convert to fraction form
    742,074.71/1,024,063.43 = 419,777.93/x
  3. Step 3: Cross multiply
    742,074.71x = 1,024,063.43 × 419,777.93
  4. Step 4: Simplify right side
    742,074.71x = 429,879,227,295.37
  5. Step 5: Solve for x
    x = 429,879,227,295.37/742,074.71
  6. Step 6: Final answer
    x = 579,293.73

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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.