Home / 841,910.43-1,161,492.35-621,675.45

Finding the Fourth Proportional to 841,910.43, 1,161,492.35 and 621,675.45

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Solution

The fourth proportional to 841,910.43, 1,161,492.35 and 621,675.45 is: 857,658.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,910.43 : 1,161,492.35 = 621,675.45 : x
  2. Step 2: Convert to fraction form
    841,910.43/1,161,492.35 = 621,675.45/x
  3. Step 3: Cross multiply
    841,910.43x = 1,161,492.35 × 621,675.45
  4. Step 4: Simplify right side
    841,910.43x = 722,071,276,249.43
  5. Step 5: Solve for x
    x = 722,071,276,249.43/841,910.43
  6. Step 6: Final answer
    x = 857,658.07

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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.