Home / 686,126.61-946,544.21-414,107.55

Finding the Fourth Proportional to 686,126.61, 946,544.21 and 414,107.55

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Solution

The fourth proportional to 686,126.61, 946,544.21 and 414,107.55 is: 571,281.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,126.61 : 946,544.21 = 414,107.55 : x
  2. Step 2: Convert to fraction form
    686,126.61/946,544.21 = 414,107.55/x
  3. Step 3: Cross multiply
    686,126.61x = 946,544.21 × 414,107.55
  4. Step 4: Simplify right side
    686,126.61x = 391,971,103,252.15
  5. Step 5: Solve for x
    x = 391,971,103,252.15/686,126.61
  6. Step 6: Final answer
    x = 571,281.01

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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.