Home / 1,557,089.03-2,148,779.88-868,719.93

Finding the Fourth Proportional to 1,557,089.03, 2,148,779.88 and 868,719.93

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Solution

The fourth proportional to 1,557,089.03, 2,148,779.88 and 868,719.93 is: 1,198,831.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,089.03 : 2,148,779.88 = 868,719.93 : x
  2. Step 2: Convert to fraction form
    1,557,089.03/2,148,779.88 = 868,719.93/x
  3. Step 3: Cross multiply
    1,557,089.03x = 2,148,779.88 × 868,719.93
  4. Step 4: Simplify right side
    1,557,089.03x = 1,866,687,906,939.01
  5. Step 5: Solve for x
    x = 1,866,687,906,939.01/1,557,089.03
  6. Step 6: Final answer
    x = 1,198,831.84

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.