Home / 686,336.62-1,028,056.64-550,666.16

Finding the Fourth Proportional to 686,336.62, 1,028,056.64 and 550,666.16

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Solution

The fourth proportional to 686,336.62, 1,028,056.64 and 550,666.16 is: 824,837.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,336.62 : 1,028,056.64 = 550,666.16 : x
  2. Step 2: Convert to fraction form
    686,336.62/1,028,056.64 = 550,666.16/x
  3. Step 3: Cross multiply
    686,336.62x = 1,028,056.64 × 550,666.16
  4. Step 4: Simplify right side
    686,336.62x = 566,116,002,211.30
  5. Step 5: Solve for x
    x = 566,116,002,211.30/686,336.62
  6. Step 6: Final answer
    x = 824,837.24

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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.