Home / 973,328.57-1,342,998.36-543,542.57

Finding the Fourth Proportional to 973,328.57, 1,342,998.36 and 543,542.57

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Solution

The fourth proportional to 973,328.57, 1,342,998.36 and 543,542.57 is: 749,979.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,328.57 : 1,342,998.36 = 543,542.57 : x
  2. Step 2: Convert to fraction form
    973,328.57/1,342,998.36 = 543,542.57/x
  3. Step 3: Cross multiply
    973,328.57x = 1,342,998.36 × 543,542.57
  4. Step 4: Simplify right side
    973,328.57x = 729,976,783,457.68
  5. Step 5: Solve for x
    x = 729,976,783,457.68/973,328.57
  6. Step 6: Final answer
    x = 749,979.82

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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.