Home / 1,124,029.80-1,686,044.70-1,049,380.20

Finding the Fourth Proportional to 1,124,029.80, 1,686,044.70 and 1,049,380.20

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Solution

The fourth proportional to 1,124,029.80, 1,686,044.70 and 1,049,380.20 is: 1,574,070.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,124,029.80 : 1,686,044.70 = 1,049,380.20 : x
  2. Step 2: Convert to fraction form
    1,124,029.80/1,686,044.70 = 1,049,380.20/x
  3. Step 3: Cross multiply
    1,124,029.80x = 1,686,044.70 × 1,049,380.20
  4. Step 4: Simplify right side
    1,124,029.80x = 1,769,301,924,494.94
  5. Step 5: Solve for x
    x = 1,769,301,924,494.94/1,124,029.80
  6. Step 6: Final answer
    x = 1,574,070.30

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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.