Home / 670,924.42-1,006,605.33-315,974.32

Finding the Fourth Proportional to 670,924.42, 1,006,605.33 and 315,974.32

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Solution

The fourth proportional to 670,924.42, 1,006,605.33 and 315,974.32 is: 474,064.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    670,924.42 : 1,006,605.33 = 315,974.32 : x
  2. Step 2: Convert to fraction form
    670,924.42/1,006,605.33 = 315,974.32/x
  3. Step 3: Cross multiply
    670,924.42x = 1,006,605.33 × 315,974.32
  4. Step 4: Simplify right side
    670,924.42x = 318,061,430,953.71
  5. Step 5: Solve for x
    x = 318,061,430,953.71/670,924.42
  6. Step 6: Final answer
    x = 474,064.47

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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.