Home / 673,585.50-1,010,808.45-318,620.46

Finding the Fourth Proportional to 673,585.50, 1,010,808.45 and 318,620.46

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Solution

The fourth proportional to 673,585.50, 1,010,808.45 and 318,620.46 is: 478,134.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    673,585.50 : 1,010,808.45 = 318,620.46 : x
  2. Step 2: Convert to fraction form
    673,585.50/1,010,808.45 = 318,620.46/x
  3. Step 3: Cross multiply
    673,585.50x = 1,010,808.45 × 318,620.46
  4. Step 4: Simplify right side
    673,585.50x = 322,064,253,310.89
  5. Step 5: Solve for x
    x = 322,064,253,310.89/673,585.50
  6. Step 6: Final answer
    x = 478,134.18

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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.