Home / 692,668.40-1,039,516.84-524,400.62

Finding the Fourth Proportional to 692,668.40, 1,039,516.84 and 524,400.62

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Solution

The fourth proportional to 692,668.40, 1,039,516.84 and 524,400.62 is: 786,990.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,668.40 : 1,039,516.84 = 524,400.62 : x
  2. Step 2: Convert to fraction form
    692,668.40/1,039,516.84 = 524,400.62/x
  3. Step 3: Cross multiply
    692,668.40x = 1,039,516.84 × 524,400.62
  4. Step 4: Simplify right side
    692,668.40x = 545,123,270,854.36
  5. Step 5: Solve for x
    x = 545,123,270,854.36/692,668.40
  6. Step 6: Final answer
    x = 786,990.25

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.