Home / 705,364.12-973,402.24-383,074.32

Finding the Fourth Proportional to 705,364.12, 973,402.24 and 383,074.32

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Solution

The fourth proportional to 705,364.12, 973,402.24 and 383,074.32 is: 528,642.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,364.12 : 973,402.24 = 383,074.32 : x
  2. Step 2: Convert to fraction form
    705,364.12/973,402.24 = 383,074.32/x
  3. Step 3: Cross multiply
    705,364.12x = 973,402.24 × 383,074.32
  4. Step 4: Simplify right side
    705,364.12x = 372,885,401,174.48
  5. Step 5: Solve for x
    x = 372,885,401,174.48/705,364.12
  6. Step 6: Final answer
    x = 528,642.43

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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.