Home / 1,207,586.80-1,802,337.40-1,187,655.88

Finding the Fourth Proportional to 1,207,586.80, 1,802,337.40 and 1,187,655.88

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Solution

The fourth proportional to 1,207,586.80, 1,802,337.40 and 1,187,655.88 is: 1,772,590.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,586.80 : 1,802,337.40 = 1,187,655.88 : x
  2. Step 2: Convert to fraction form
    1,207,586.80/1,802,337.40 = 1,187,655.88/x
  3. Step 3: Cross multiply
    1,207,586.80x = 1,802,337.40 × 1,187,655.88
  4. Step 4: Simplify right side
    1,207,586.80x = 2,140,556,610,853.91
  5. Step 5: Solve for x
    x = 2,140,556,610,853.91/1,207,586.80
  6. Step 6: Final answer
    x = 1,772,590.27

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.