Home / 649,566.54-974,065.50-345,896.73

Finding the Fourth Proportional to 649,566.54, 974,065.50 and 345,896.73

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Solution

The fourth proportional to 649,566.54, 974,065.50 and 345,896.73 is: 518,693.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    649,566.54 : 974,065.50 = 345,896.73 : x
  2. Step 2: Convert to fraction form
    649,566.54/974,065.50 = 345,896.73/x
  3. Step 3: Cross multiply
    649,566.54x = 974,065.50 × 345,896.73
  4. Step 4: Simplify right side
    649,566.54x = 336,926,071,255.82
  5. Step 5: Solve for x
    x = 336,926,071,255.82/649,566.54
  6. Step 6: Final answer
    x = 518,693.70

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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.