Home / 389,366.26-537,325.42-210,518.26

Finding the Fourth Proportional to 389,366.26, 537,325.42 and 210,518.26

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Solution

The fourth proportional to 389,366.26, 537,325.42 and 210,518.26 is: 290,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    389,366.26 : 537,325.42 = 210,518.26 : x
  2. Step 2: Convert to fraction form
    389,366.26/537,325.42 = 210,518.26/x
  3. Step 3: Cross multiply
    389,366.26x = 537,325.42 × 210,518.26
  4. Step 4: Simplify right side
    389,366.26x = 113,116,812,472.17
  5. Step 5: Solve for x
    x = 113,116,812,472.17/389,366.26
  6. Step 6: Final answer
    x = 290,515.19

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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.