Home / 946,450.65-1,306,095.07-516,730.78

Finding the Fourth Proportional to 946,450.65, 1,306,095.07 and 516,730.78

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Solution

The fourth proportional to 946,450.65, 1,306,095.07 and 516,730.78 is: 713,084.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,450.65 : 1,306,095.07 = 516,730.78 : x
  2. Step 2: Convert to fraction form
    946,450.65/1,306,095.07 = 516,730.78/x
  3. Step 3: Cross multiply
    946,450.65x = 1,306,095.07 × 516,730.78
  4. Step 4: Simplify right side
    946,450.65x = 674,899,517,744.78
  5. Step 5: Solve for x
    x = 674,899,517,744.78/946,450.65
  6. Step 6: Final answer
    x = 713,084.74

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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.