Home / 908,492.69-1,363,368.16-361,328.98

Finding the Fourth Proportional to 908,492.69, 1,363,368.16 and 361,328.98

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Solution

The fourth proportional to 908,492.69, 1,363,368.16 and 361,328.98 is: 542,243.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    908,492.69 : 1,363,368.16 = 361,328.98 : x
  2. Step 2: Convert to fraction form
    908,492.69/1,363,368.16 = 361,328.98/x
  3. Step 3: Cross multiply
    908,492.69x = 1,363,368.16 × 361,328.98
  4. Step 4: Simplify right side
    908,492.69x = 492,624,419,800.44
  5. Step 5: Solve for x
    x = 492,624,419,800.44/908,492.69
  6. Step 6: Final answer
    x = 542,243.68

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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.