Home / 673,771.10-1,010,656.65-319,477.10

Finding the Fourth Proportional to 673,771.10, 1,010,656.65 and 319,477.10

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Solution

The fourth proportional to 673,771.10, 1,010,656.65 and 319,477.10 is: 479,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,771.10 : 1,010,656.65 = 319,477.10 : x
  2. Step 2: Convert to fraction form
    673,771.10/1,010,656.65 = 319,477.10/x
  3. Step 3: Cross multiply
    673,771.10x = 1,010,656.65 × 319,477.10
  4. Step 4: Simplify right side
    673,771.10x = 322,881,655,637.72
  5. Step 5: Solve for x
    x = 322,881,655,637.72/673,771.10
  6. Step 6: Final answer
    x = 479,215.65

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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.