Home / 705,415.78-973,457.75-383,118.94

Finding the Fourth Proportional to 705,415.78, 973,457.75 and 383,118.94

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Solution

The fourth proportional to 705,415.78, 973,457.75 and 383,118.94 is: 528,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,415.78 : 973,457.75 = 383,118.94 : x
  2. Step 2: Convert to fraction form
    705,415.78/973,457.75 = 383,118.94/x
  3. Step 3: Cross multiply
    705,415.78x = 973,457.75 × 383,118.94
  4. Step 4: Simplify right side
    705,415.78x = 372,950,099,838.94
  5. Step 5: Solve for x
    x = 372,950,099,838.94/705,415.78
  6. Step 6: Final answer
    x = 528,695.43

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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.