Home / 705,692.15-973,849.91-383,404.89

Finding the Fourth Proportional to 705,692.15, 973,849.91 and 383,404.89

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Solution

The fourth proportional to 705,692.15, 973,849.91 and 383,404.89 is: 529,095.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,692.15 : 973,849.91 = 383,404.89 : x
  2. Step 2: Convert to fraction form
    705,692.15/973,849.91 = 383,404.89/x
  3. Step 3: Cross multiply
    705,692.15x = 973,849.91 × 383,404.89
  4. Step 4: Simplify right side
    705,692.15x = 373,378,815,703.04
  5. Step 5: Solve for x
    x = 373,378,815,703.04/705,692.15
  6. Step 6: Final answer
    x = 529,095.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.