Home / 644,920.30-967,389.90-245,583.15

Finding the Fourth Proportional to 644,920.30, 967,389.90 and 245,583.15

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Solution

The fourth proportional to 644,920.30, 967,389.90 and 245,583.15 is: 368,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    644,920.30 : 967,389.90 = 245,583.15 : x
  2. Step 2: Convert to fraction form
    644,920.30/967,389.90 = 245,583.15/x
  3. Step 3: Cross multiply
    644,920.30x = 967,389.90 × 245,583.15
  4. Step 4: Simplify right side
    644,920.30x = 237,574,658,920.19
  5. Step 5: Solve for x
    x = 237,574,658,920.19/644,920.30
  6. Step 6: Final answer
    x = 368,378.32

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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.