Home / 987,065.06-1,362,152.85-534,354.98

Finding the Fourth Proportional to 987,065.06, 1,362,152.85 and 534,354.98

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Solution

The fourth proportional to 987,065.06, 1,362,152.85 and 534,354.98 is: 737,411.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,065.06 : 1,362,152.85 = 534,354.98 : x
  2. Step 2: Convert to fraction form
    987,065.06/1,362,152.85 = 534,354.98/x
  3. Step 3: Cross multiply
    987,065.06x = 1,362,152.85 × 534,354.98
  4. Step 4: Simplify right side
    987,065.06x = 727,873,158,918.69
  5. Step 5: Solve for x
    x = 727,873,158,918.69/987,065.06
  6. Step 6: Final answer
    x = 737,411.53

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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.