Home / 1,315,050.12-1,972,687.61-462,047.63

Finding the Fourth Proportional to 1,315,050.12, 1,972,687.61 and 462,047.63

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Solution

The fourth proportional to 1,315,050.12, 1,972,687.61 and 462,047.63 is: 693,110.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,050.12 : 1,972,687.61 = 462,047.63 : x
  2. Step 2: Convert to fraction form
    1,315,050.12/1,972,687.61 = 462,047.63/x
  3. Step 3: Cross multiply
    1,315,050.12x = 1,972,687.61 × 462,047.63
  4. Step 4: Simplify right side
    1,315,050.12x = 911,475,626,222.55
  5. Step 5: Solve for x
    x = 911,475,626,222.55/1,315,050.12
  6. Step 6: Final answer
    x = 693,110.94

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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.