Home / 973,111.70-1,342,896.10-543,390.50

Finding the Fourth Proportional to 973,111.70, 1,342,896.10 and 543,390.50

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Solution

The fourth proportional to 973,111.70, 1,342,896.10 and 543,390.50 is: 749,879.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,111.70 : 1,342,896.10 = 543,390.50 : x
  2. Step 2: Convert to fraction form
    973,111.70/1,342,896.10 = 543,390.50/x
  3. Step 3: Cross multiply
    973,111.70x = 1,342,896.10 × 543,390.50
  4. Step 4: Simplify right side
    973,111.70x = 729,716,983,227.05
  5. Step 5: Solve for x
    x = 729,716,983,227.05/973,111.70
  6. Step 6: Final answer
    x = 749,879.98

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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.