Home / 1,590,514.76-2,194,971.06-911,582.60

Finding the Fourth Proportional to 1,590,514.76, 2,194,971.06 and 911,582.60

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Solution

The fourth proportional to 1,590,514.76, 2,194,971.06 and 911,582.60 is: 1,258,018.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,590,514.76 : 2,194,971.06 = 911,582.60 : x
  2. Step 2: Convert to fraction form
    1,590,514.76/2,194,971.06 = 911,582.60/x
  3. Step 3: Cross multiply
    1,590,514.76x = 2,194,971.06 × 911,582.60
  4. Step 4: Simplify right side
    1,590,514.76x = 2,000,897,425,799.56
  5. Step 5: Solve for x
    x = 2,000,897,425,799.56/1,590,514.76
  6. Step 6: Final answer
    x = 1,258,018.77

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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.