Home / 987,650.24-1,362,948.80-534,941.24

Finding the Fourth Proportional to 987,650.24, 1,362,948.80 and 534,941.24

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Solution

The fourth proportional to 987,650.24, 1,362,948.80 and 534,941.24 is: 738,214.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,650.24 : 1,362,948.80 = 534,941.24 : x
  2. Step 2: Convert to fraction form
    987,650.24/1,362,948.80 = 534,941.24/x
  3. Step 3: Cross multiply
    987,650.24x = 1,362,948.80 × 534,941.24
  4. Step 4: Simplify right side
    987,650.24x = 729,097,511,639.06
  5. Step 5: Solve for x
    x = 729,097,511,639.06/987,650.24
  6. Step 6: Final answer
    x = 738,214.28

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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.