Home / 649,834.93-973,264.89-396,557.78

Finding the Fourth Proportional to 649,834.93, 973,264.89 and 396,557.78

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Solution

The fourth proportional to 649,834.93, 973,264.89 and 396,557.78 is: 593,928.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,834.93 : 973,264.89 = 396,557.78 : x
  2. Step 2: Convert to fraction form
    649,834.93/973,264.89 = 396,557.78/x
  3. Step 3: Cross multiply
    649,834.93x = 973,264.89 × 396,557.78
  4. Step 4: Simplify right side
    649,834.93x = 385,955,759,635.79
  5. Step 5: Solve for x
    x = 385,955,759,635.79/649,834.93
  6. Step 6: Final answer
    x = 593,928.92

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1.5x scale

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.