Home / 946,857.56-1,306,661.35-517,137.71

Finding the Fourth Proportional to 946,857.56, 1,306,661.35 and 517,137.71

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Solution

The fourth proportional to 946,857.56, 1,306,661.35 and 517,137.71 is: 713,648.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,857.56 : 1,306,661.35 = 517,137.71 : x
  2. Step 2: Convert to fraction form
    946,857.56/1,306,661.35 = 517,137.71/x
  3. Step 3: Cross multiply
    946,857.56x = 1,306,661.35 × 517,137.71
  4. Step 4: Simplify right side
    946,857.56x = 675,723,852,432.17
  5. Step 5: Solve for x
    x = 675,723,852,432.17/946,857.56
  6. Step 6: Final answer
    x = 713,648.90

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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.