Home / 673,511.40-929,566.14-401,596.80

Finding the Fourth Proportional to 673,511.40, 929,566.14 and 401,596.80

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Solution

The fourth proportional to 673,511.40, 929,566.14 and 401,596.80 is: 554,275.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,511.40 : 929,566.14 = 401,596.80 : x
  2. Step 2: Convert to fraction form
    673,511.40/929,566.14 = 401,596.80/x
  3. Step 3: Cross multiply
    673,511.40x = 929,566.14 × 401,596.80
  4. Step 4: Simplify right side
    673,511.40x = 373,310,787,212.35
  5. Step 5: Solve for x
    x = 373,310,787,212.35/673,511.40
  6. Step 6: Final answer
    x = 554,275.38

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.