Home / 946,544.78-1,306,284.72-516,864.80

Finding the Fourth Proportional to 946,544.78, 1,306,284.72 and 516,864.80

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Solution

The fourth proportional to 946,544.78, 1,306,284.72 and 516,864.80 is: 713,302.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    946,544.78 : 1,306,284.72 = 516,864.80 : x
  2. Step 2: Convert to fraction form
    946,544.78/1,306,284.72 = 516,864.80/x
  3. Step 3: Cross multiply
    946,544.78x = 1,306,284.72 × 516,864.80
  4. Step 4: Simplify right side
    946,544.78x = 675,172,590,545.86
  5. Step 5: Solve for x
    x = 675,172,590,545.86/946,544.78
  6. Step 6: Final answer
    x = 713,302.32

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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.