Home / 686,794.14-1,030,829.10-350,087.76

Finding the Fourth Proportional to 686,794.14, 1,030,829.10 and 350,087.76

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Solution

The fourth proportional to 686,794.14, 1,030,829.10 and 350,087.76 is: 525,456.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,794.14 : 1,030,829.10 = 350,087.76 : x
  2. Step 2: Convert to fraction form
    686,794.14/1,030,829.10 = 350,087.76/x
  3. Step 3: Cross multiply
    686,794.14x = 1,030,829.10 × 350,087.76
  4. Step 4: Simplify right side
    686,794.14x = 360,880,650,561.82
  5. Step 5: Solve for x
    x = 360,880,650,561.82/686,794.14
  6. Step 6: Final answer
    x = 525,456.80

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1.5x scale

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.