Home / 1,115,931.78-1,540,003.05-606,636.18

Finding the Fourth Proportional to 1,115,931.78, 1,540,003.05 and 606,636.18

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Solution

The fourth proportional to 1,115,931.78, 1,540,003.05 and 606,636.18 is: 837,167.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,931.78 : 1,540,003.05 = 606,636.18 : x
  2. Step 2: Convert to fraction form
    1,115,931.78/1,540,003.05 = 606,636.18/x
  3. Step 3: Cross multiply
    1,115,931.78x = 1,540,003.05 × 606,636.18
  4. Step 4: Simplify right side
    1,115,931.78x = 934,221,567,440.35
  5. Step 5: Solve for x
    x = 934,221,567,440.35/1,115,931.78
  6. Step 6: Final answer
    x = 837,167.28

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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.