Home / 626,384.30-939,270.26-436,935.42

Finding the Fourth Proportional to 626,384.30, 939,270.26 and 436,935.42

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Solution

The fourth proportional to 626,384.30, 939,270.26 and 436,935.42 is: 655,189.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,384.30 : 939,270.26 = 436,935.42 : x
  2. Step 2: Convert to fraction form
    626,384.30/939,270.26 = 436,935.42/x
  3. Step 3: Cross multiply
    626,384.30x = 939,270.26 × 436,935.42
  4. Step 4: Simplify right side
    626,384.30x = 410,400,446,638.95
  5. Step 5: Solve for x
    x = 410,400,446,638.95/626,384.30
  6. Step 6: Final answer
    x = 655,189.55

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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.