Home / 705,606.21-973,744.85-383,321.38

Finding the Fourth Proportional to 705,606.21, 973,744.85 and 383,321.38

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Solution

The fourth proportional to 705,606.21, 973,744.85 and 383,321.38 is: 528,988.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,606.21 : 973,744.85 = 383,321.38 : x
  2. Step 2: Convert to fraction form
    705,606.21/973,744.85 = 383,321.38/x
  3. Step 3: Cross multiply
    705,606.21x = 973,744.85 × 383,321.38
  4. Step 4: Simplify right side
    705,606.21x = 373,257,219,669.89
  5. Step 5: Solve for x
    x = 373,257,219,669.89/705,606.21
  6. Step 6: Final answer
    x = 528,988.00

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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.