Home / 430,573.62-594,128.38-258,455.10

Finding the Fourth Proportional to 430,573.62, 594,128.38 and 258,455.10

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Solution

The fourth proportional to 430,573.62, 594,128.38 and 258,455.10 is: 356,630.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    430,573.62 : 594,128.38 = 258,455.10 : x
  2. Step 2: Convert to fraction form
    430,573.62/594,128.38 = 258,455.10/x
  3. Step 3: Cross multiply
    430,573.62x = 594,128.38 × 258,455.10
  4. Step 4: Simplify right side
    430,573.62x = 153,555,509,865.74
  5. Step 5: Solve for x
    x = 153,555,509,865.74/430,573.62
  6. Step 6: Final answer
    x = 356,630.09

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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.