Home / 383,322.36-528,988.32-211,246.50

Finding the Fourth Proportional to 383,322.36, 528,988.32 and 211,246.50

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Solution

The fourth proportional to 383,322.36, 528,988.32 and 211,246.50 is: 291,522.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,322.36 : 528,988.32 = 211,246.50 : x
  2. Step 2: Convert to fraction form
    383,322.36/528,988.32 = 211,246.50/x
  3. Step 3: Cross multiply
    383,322.36x = 528,988.32 × 211,246.50
  4. Step 4: Simplify right side
    383,322.36x = 111,746,931,140.88
  5. Step 5: Solve for x
    x = 111,746,931,140.88/383,322.36
  6. Step 6: Final answer
    x = 291,522.08

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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.