Home / 626,531.24-864,613.94-340,051.36

Finding the Fourth Proportional to 626,531.24, 864,613.94 and 340,051.36

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Solution

The fourth proportional to 626,531.24, 864,613.94 and 340,051.36 is: 469,271.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,531.24 : 864,613.94 = 340,051.36 : x
  2. Step 2: Convert to fraction form
    626,531.24/864,613.94 = 340,051.36/x
  3. Step 3: Cross multiply
    626,531.24x = 864,613.94 × 340,051.36
  4. Step 4: Simplify right side
    626,531.24x = 294,013,146,171.96
  5. Step 5: Solve for x
    x = 294,013,146,171.96/626,531.24
  6. Step 6: Final answer
    x = 469,271.33

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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.