Home / 691,965.91-954,064.55-569,028.67

Finding the Fourth Proportional to 691,965.91, 954,064.55 and 569,028.67

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Solution

The fourth proportional to 691,965.91, 954,064.55 and 569,028.67 is: 784,561.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,965.91 : 954,064.55 = 569,028.67 : x
  2. Step 2: Convert to fraction form
    691,965.91/954,064.55 = 569,028.67/x
  3. Step 3: Cross multiply
    691,965.91x = 954,064.55 × 569,028.67
  4. Step 4: Simplify right side
    691,965.91x = 542,890,081,980.65
  5. Step 5: Solve for x
    x = 542,890,081,980.65/691,965.91
  6. Step 6: Final answer
    x = 784,561.89

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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.