Home / 1,292,048.04-1,941,225.66-1,220,431.08

Finding the Fourth Proportional to 1,292,048.04, 1,941,225.66 and 1,220,431.08

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Solution

The fourth proportional to 1,292,048.04, 1,941,225.66 and 1,220,431.08 is: 1,833,625.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,292,048.04 : 1,941,225.66 = 1,220,431.08 : x
  2. Step 2: Convert to fraction form
    1,292,048.04/1,941,225.66 = 1,220,431.08/x
  3. Step 3: Cross multiply
    1,292,048.04x = 1,941,225.66 × 1,220,431.08
  4. Step 4: Simplify right side
    1,292,048.04x = 2,369,132,128,757.51
  5. Step 5: Solve for x
    x = 2,369,132,128,757.51/1,292,048.04
  6. Step 6: Final answer
    x = 1,833,625.42

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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.