Home / 1,315,046.80-1,972,570.20-473,489.20

Finding the Fourth Proportional to 1,315,046.80, 1,972,570.20 and 473,489.20

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Solution

The fourth proportional to 1,315,046.80, 1,972,570.20 and 473,489.20 is: 710,233.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,315,046.80 : 1,972,570.20 = 473,489.20 : x
  2. Step 2: Convert to fraction form
    1,315,046.80/1,972,570.20 = 473,489.20/x
  3. Step 3: Cross multiply
    1,315,046.80x = 1,972,570.20 × 473,489.20
  4. Step 4: Simplify right side
    1,315,046.80x = 933,990,685,941.84
  5. Step 5: Solve for x
    x = 933,990,685,941.84/1,315,046.80
  6. Step 6: Final answer
    x = 710,233.80

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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.