Home / 987,534.91-1,362,798.18-534,825.91

Finding the Fourth Proportional to 987,534.91, 1,362,798.18 and 534,825.91

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Solution

The fourth proportional to 987,534.91, 1,362,798.18 and 534,825.91 is: 738,059.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,534.91 : 1,362,798.18 = 534,825.91 : x
  2. Step 2: Convert to fraction form
    987,534.91/1,362,798.18 = 534,825.91/x
  3. Step 3: Cross multiply
    987,534.91x = 1,362,798.18 × 534,825.91
  4. Step 4: Simplify right side
    987,534.91x = 728,859,783,053.28
  5. Step 5: Solve for x
    x = 728,859,783,053.28/987,534.91
  6. Step 6: Final answer
    x = 738,059.76

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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.