Home / 1,207,388.16-1,666,267.20-698,267.52

Finding the Fourth Proportional to 1,207,388.16, 1,666,267.20 and 698,267.52

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Solution

The fourth proportional to 1,207,388.16, 1,666,267.20 and 698,267.52 is: 963,650.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,388.16 : 1,666,267.20 = 698,267.52 : x
  2. Step 2: Convert to fraction form
    1,207,388.16/1,666,267.20 = 698,267.52/x
  3. Step 3: Cross multiply
    1,207,388.16x = 1,666,267.20 × 698,267.52
  4. Step 4: Simplify right side
    1,207,388.16x = 1,163,500,265,401.34
  5. Step 5: Solve for x
    x = 1,163,500,265,401.34/1,207,388.16
  6. Step 6: Final answer
    x = 963,650.55

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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.