Home / 872,874.68-1,204,386.51-510,228.39

Finding the Fourth Proportional to 872,874.68, 1,204,386.51 and 510,228.39

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Solution

The fourth proportional to 872,874.68, 1,204,386.51 and 510,228.39 is: 704,009.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    872,874.68 : 1,204,386.51 = 510,228.39 : x
  2. Step 2: Convert to fraction form
    872,874.68/1,204,386.51 = 510,228.39/x
  3. Step 3: Cross multiply
    872,874.68x = 1,204,386.51 × 510,228.39
  4. Step 4: Simplify right side
    872,874.68x = 614,512,189,935.02
  5. Step 5: Solve for x
    x = 614,512,189,935.02/872,874.68
  6. Step 6: Final answer
    x = 704,009.64

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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.