Home / 568,566.51-784,623.27-310,443.81

Finding the Fourth Proportional to 568,566.51, 784,623.27 and 310,443.81

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Solution

The fourth proportional to 568,566.51, 784,623.27 and 310,443.81 is: 428,413.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    568,566.51 : 784,623.27 = 310,443.81 : x
  2. Step 2: Convert to fraction form
    568,566.51/784,623.27 = 310,443.81/x
  3. Step 3: Cross multiply
    568,566.51x = 784,623.27 × 310,443.81
  4. Step 4: Simplify right side
    568,566.51x = 243,581,437,353.46
  5. Step 5: Solve for x
    x = 243,581,437,353.46/568,566.51
  6. Step 6: Final answer
    x = 428,413.27

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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.