Home / 1,008,154.56-1,391,284.80-578,513.28

Finding the Fourth Proportional to 1,008,154.56, 1,391,284.80 and 578,513.28

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Solution

The fourth proportional to 1,008,154.56, 1,391,284.80 and 578,513.28 is: 798,366.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,008,154.56 : 1,391,284.80 = 578,513.28 : x
  2. Step 2: Convert to fraction form
    1,008,154.56/1,391,284.80 = 578,513.28/x
  3. Step 3: Cross multiply
    1,008,154.56x = 1,391,284.80 × 578,513.28
  4. Step 4: Simplify right side
    1,008,154.56x = 804,876,733,062.14
  5. Step 5: Solve for x
    x = 804,876,733,062.14/1,008,154.56
  6. Step 6: Final answer
    x = 798,366.41

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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.