Home / 929,421.80-1,394,103.90-264,573.80

Finding the Fourth Proportional to 929,421.80, 1,394,103.90 and 264,573.80

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Solution

The fourth proportional to 929,421.80, 1,394,103.90 and 264,573.80 is: 396,852.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,421.80 : 1,394,103.90 = 264,573.80 : x
  2. Step 2: Convert to fraction form
    929,421.80/1,394,103.90 = 264,573.80/x
  3. Step 3: Cross multiply
    929,421.80x = 1,394,103.90 × 264,573.80
  4. Step 4: Simplify right side
    929,421.80x = 368,843,366,417.82
  5. Step 5: Solve for x
    x = 368,843,366,417.82/929,421.80
  6. Step 6: Final answer
    x = 396,852.50

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Half scale
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Double scale
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Similar ratio
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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.