Home / 738,603.72-1,107,511.92-383,259.96

Finding the Fourth Proportional to 738,603.72, 1,107,511.92 and 383,259.96

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Solution

The fourth proportional to 738,603.72, 1,107,511.92 and 383,259.96 is: 574,685.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    738,603.72 : 1,107,511.92 = 383,259.96 : x
  2. Step 2: Convert to fraction form
    738,603.72/1,107,511.92 = 383,259.96/x
  3. Step 3: Cross multiply
    738,603.72x = 1,107,511.92 × 383,259.96
  4. Step 4: Simplify right side
    738,603.72x = 424,464,974,158.72
  5. Step 5: Solve for x
    x = 424,464,974,158.72/738,603.72
  6. Step 6: Final answer
    x = 574,685.67

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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.