Home / 1,207,628.88-1,666,492.84-691,365.52

Finding the Fourth Proportional to 1,207,628.88, 1,666,492.84 and 691,365.52

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Solution

The fourth proportional to 1,207,628.88, 1,666,492.84 and 691,365.52 is: 954,064.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,207,628.88 : 1,666,492.84 = 691,365.52 : x
  2. Step 2: Convert to fraction form
    1,207,628.88/1,666,492.84 = 691,365.52/x
  3. Step 3: Cross multiply
    1,207,628.88x = 1,666,492.84 × 691,365.52
  4. Step 4: Simplify right side
    1,207,628.88x = 1,152,155,688,902.88
  5. Step 5: Solve for x
    x = 1,152,155,688,902.88/1,207,628.88
  6. Step 6: Final answer
    x = 954,064.37

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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.