Home / 626,211.04-939,314.12-226,758.38

Finding the Fourth Proportional to 626,211.04, 939,314.12 and 226,758.38

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Solution

The fourth proportional to 626,211.04, 939,314.12 and 226,758.38 is: 340,136.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    626,211.04 : 939,314.12 = 226,758.38 : x
  2. Step 2: Convert to fraction form
    626,211.04/939,314.12 = 226,758.38/x
  3. Step 3: Cross multiply
    626,211.04x = 939,314.12 × 226,758.38
  4. Step 4: Simplify right side
    626,211.04x = 212,997,343,465.76
  5. Step 5: Solve for x
    x = 212,997,343,465.76/626,211.04
  6. Step 6: Final answer
    x = 340,136.68

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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.