Home / 626,724.12-939,886.74-205,902.84

Finding the Fourth Proportional to 626,724.12, 939,886.74 and 205,902.84

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Solution

The fourth proportional to 626,724.12, 939,886.74 and 205,902.84 is: 308,788.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,724.12 : 939,886.74 = 205,902.84 : x
  2. Step 2: Convert to fraction form
    626,724.12/939,886.74 = 205,902.84/x
  3. Step 3: Cross multiply
    626,724.12x = 939,886.74 × 205,902.84
  4. Step 4: Simplify right side
    626,724.12x = 193,525,349,044.34
  5. Step 5: Solve for x
    x = 193,525,349,044.34/626,724.12
  6. Step 6: Final answer
    x = 308,788.74

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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.