Home / 673,308.20-929,184.75-371,521.64

Finding the Fourth Proportional to 673,308.20, 929,184.75 and 371,521.64

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Solution

The fourth proportional to 673,308.20, 929,184.75 and 371,521.64 is: 512,710.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,308.20 : 929,184.75 = 371,521.64 : x
  2. Step 2: Convert to fraction form
    673,308.20/929,184.75 = 371,521.64/x
  3. Step 3: Cross multiply
    673,308.20x = 929,184.75 × 371,521.64
  4. Step 4: Simplify right side
    673,308.20x = 345,212,237,537.07
  5. Step 5: Solve for x
    x = 345,212,237,537.07/673,308.20
  6. Step 6: Final answer
    x = 512,710.58

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Double scale
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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.