Home / 626,570.58-864,668.27-340,090.73

Finding the Fourth Proportional to 626,570.58, 864,668.27 and 340,090.73

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Solution

The fourth proportional to 626,570.58, 864,668.27 and 340,090.73 is: 469,325.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,570.58 : 864,668.27 = 340,090.73 : x
  2. Step 2: Convert to fraction form
    626,570.58/864,668.27 = 340,090.73/x
  3. Step 3: Cross multiply
    626,570.58x = 864,668.27 × 340,090.73
  4. Step 4: Simplify right side
    626,570.58x = 294,065,663,152.14
  5. Step 5: Solve for x
    x = 294,065,663,152.14/626,570.58
  6. Step 6: Final answer
    x = 469,325.68

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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.