Home / 1,140,141.40-1,709,084.10-540,047.80

Finding the Fourth Proportional to 1,140,141.40, 1,709,084.10 and 540,047.80

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Solution

The fourth proportional to 1,140,141.40, 1,709,084.10 and 540,047.80 is: 809,537.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,140,141.40 : 1,709,084.10 = 540,047.80 : x
  2. Step 2: Convert to fraction form
    1,140,141.40/1,709,084.10 = 540,047.80/x
  3. Step 3: Cross multiply
    1,140,141.40x = 1,709,084.10 × 540,047.80
  4. Step 4: Simplify right side
    1,140,141.40x = 922,987,108,219.98
  5. Step 5: Solve for x
    x = 922,987,108,219.98/1,140,141.40
  6. Step 6: Final answer
    x = 809,537.40

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.