Home / 877,820.23-1,210,906.89-714,652.26

Finding the Fourth Proportional to 877,820.23, 1,210,906.89 and 714,652.26

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Solution

The fourth proportional to 877,820.23, 1,210,906.89 and 714,652.26 is: 985,825.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    877,820.23 : 1,210,906.89 = 714,652.26 : x
  2. Step 2: Convert to fraction form
    877,820.23/1,210,906.89 = 714,652.26/x
  3. Step 3: Cross multiply
    877,820.23x = 1,210,906.89 × 714,652.26
  4. Step 4: Simplify right side
    877,820.23x = 865,377,345,588.07
  5. Step 5: Solve for x
    x = 865,377,345,588.07/877,820.23
  6. Step 6: Final answer
    x = 985,825.25

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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.