Home / 532,438.83-734,795.34-290,743.83

Finding the Fourth Proportional to 532,438.83, 734,795.34 and 290,743.83

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Solution

The fourth proportional to 532,438.83, 734,795.34 and 290,743.83 is: 401,242.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    532,438.83 : 734,795.34 = 290,743.83 : x
  2. Step 2: Convert to fraction form
    532,438.83/734,795.34 = 290,743.83/x
  3. Step 3: Cross multiply
    532,438.83x = 734,795.34 × 290,743.83
  4. Step 4: Simplify right side
    532,438.83x = 213,637,211,417.75
  5. Step 5: Solve for x
    x = 213,637,211,417.75/532,438.83
  6. Step 6: Final answer
    x = 401,242.73

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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.