Home / 987,068.98-1,362,155.66-534,359.98

Finding the Fourth Proportional to 987,068.98, 1,362,155.66 and 534,359.98

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Solution

The fourth proportional to 987,068.98, 1,362,155.66 and 534,359.98 is: 737,417.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    987,068.98 : 1,362,155.66 = 534,359.98 : x
  2. Step 2: Convert to fraction form
    987,068.98/1,362,155.66 = 534,359.98/x
  3. Step 3: Cross multiply
    987,068.98x = 1,362,155.66 × 534,359.98
  4. Step 4: Simplify right side
    987,068.98x = 727,881,471,234.49
  5. Step 5: Solve for x
    x = 727,881,471,234.49/987,068.98
  6. Step 6: Final answer
    x = 737,417.03

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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.