Home / 686,338.62-1,028,059.64-550,668.16

Finding the Fourth Proportional to 686,338.62, 1,028,059.64 and 550,668.16

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Solution

The fourth proportional to 686,338.62, 1,028,059.64 and 550,668.16 is: 824,840.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    686,338.62 : 1,028,059.64 = 550,668.16 : x
  2. Step 2: Convert to fraction form
    686,338.62/1,028,059.64 = 550,668.16/x
  3. Step 3: Cross multiply
    686,338.62x = 1,028,059.64 × 550,668.16
  4. Step 4: Simplify right side
    686,338.62x = 566,119,710,329.06
  5. Step 5: Solve for x
    x = 566,119,710,329.06/686,338.62
  6. Step 6: Final answer
    x = 824,840.24

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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.