Home / 1,214,401.60-1,822,768.80-616,038.40

Finding the Fourth Proportional to 1,214,401.60, 1,822,768.80 and 616,038.40

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Solution

The fourth proportional to 1,214,401.60, 1,822,768.80 and 616,038.40 is: 924,649.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,214,401.60 : 1,822,768.80 = 616,038.40 : x
  2. Step 2: Convert to fraction form
    1,214,401.60/1,822,768.80 = 616,038.40/x
  3. Step 3: Cross multiply
    1,214,401.60x = 1,822,768.80 × 616,038.40
  4. Step 4: Simplify right side
    1,214,401.60x = 1,122,895,575,121.92
  5. Step 5: Solve for x
    x = 1,122,895,575,121.92/1,214,401.60
  6. Step 6: Final answer
    x = 924,649.29

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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.