Home / 1,421,746.86-2,132,620.29-475,117.58

Finding the Fourth Proportional to 1,421,746.86, 2,132,620.29 and 475,117.58

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Solution

The fourth proportional to 1,421,746.86, 2,132,620.29 and 475,117.58 is: 712,676.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,421,746.86 : 2,132,620.29 = 475,117.58 : x
  2. Step 2: Convert to fraction form
    1,421,746.86/2,132,620.29 = 475,117.58/x
  3. Step 3: Cross multiply
    1,421,746.86x = 2,132,620.29 × 475,117.58
  4. Step 4: Simplify right side
    1,421,746.86x = 1,013,245,380,580.60
  5. Step 5: Solve for x
    x = 1,013,245,380,580.60/1,421,746.86
  6. Step 6: Final answer
    x = 712,676.37

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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.