Home / 973,221.51-1,342,850.88-543,435.51

Finding the Fourth Proportional to 973,221.51, 1,342,850.88 and 543,435.51

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Solution

The fourth proportional to 973,221.51, 1,342,850.88 and 543,435.51 is: 749,832.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,221.51 : 1,342,850.88 = 543,435.51 : x
  2. Step 2: Convert to fraction form
    973,221.51/1,342,850.88 = 543,435.51/x
  3. Step 3: Cross multiply
    973,221.51x = 1,342,850.88 × 543,435.51
  4. Step 4: Simplify right side
    973,221.51x = 729,752,852,826.75
  5. Step 5: Solve for x
    x = 729,752,852,826.75/973,221.51
  6. Step 6: Final answer
    x = 749,832.23

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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.