Home / 637,968.40-956,920.76-238,579.80

Finding the Fourth Proportional to 637,968.40, 956,920.76 and 238,579.80

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Solution

The fourth proportional to 637,968.40, 956,920.76 and 238,579.80 is: 357,857.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    637,968.40 : 956,920.76 = 238,579.80 : x
  2. Step 2: Convert to fraction form
    637,968.40/956,920.76 = 238,579.80/x
  3. Step 3: Cross multiply
    637,968.40x = 956,920.76 × 238,579.80
  4. Step 4: Simplify right side
    637,968.40x = 228,301,963,536.65
  5. Step 5: Solve for x
    x = 228,301,963,536.65/637,968.40
  6. Step 6: Final answer
    x = 357,857.79

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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.