Home / 649,289.40-973,934.10-410,140.95

Finding the Fourth Proportional to 649,289.40, 973,934.10 and 410,140.95

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Solution

The fourth proportional to 649,289.40, 973,934.10 and 410,140.95 is: 615,211.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,289.40 : 973,934.10 = 410,140.95 : x
  2. Step 2: Convert to fraction form
    649,289.40/973,934.10 = 410,140.95/x
  3. Step 3: Cross multiply
    649,289.40x = 973,934.10 × 410,140.95
  4. Step 4: Simplify right side
    649,289.40x = 399,450,257,011.40
  5. Step 5: Solve for x
    x = 399,450,257,011.40/649,289.40
  6. Step 6: Final answer
    x = 615,211.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.