Home / 705,755.88-973,986.66-403,943.40

Finding the Fourth Proportional to 705,755.88, 973,986.66 and 403,943.40

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Solution

The fourth proportional to 705,755.88, 973,986.66 and 403,943.40 is: 557,466.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,755.88 : 973,986.66 = 403,943.40 : x
  2. Step 2: Convert to fraction form
    705,755.88/973,986.66 = 403,943.40/x
  3. Step 3: Cross multiply
    705,755.88x = 973,986.66 × 403,943.40
  4. Step 4: Simplify right side
    705,755.88x = 393,435,482,995.04
  5. Step 5: Solve for x
    x = 393,435,482,995.04/705,755.88
  6. Step 6: Final answer
    x = 557,466.82

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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.