Home / 626,328.36-939,032.43-199,618.62

Finding the Fourth Proportional to 626,328.36, 939,032.43 and 199,618.62

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Solution

The fourth proportional to 626,328.36, 939,032.43 and 199,618.62 is: 299,281.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,328.36 : 939,032.43 = 199,618.62 : x
  2. Step 2: Convert to fraction form
    626,328.36/939,032.43 = 199,618.62/x
  3. Step 3: Cross multiply
    626,328.36x = 939,032.43 × 199,618.62
  4. Step 4: Simplify right side
    626,328.36x = 187,448,357,811.85
  5. Step 5: Solve for x
    x = 187,448,357,811.85/626,328.36
  6. Step 6: Final answer
    x = 299,281.29

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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.