Home / 1,458,505.64-2,187,758.36-393,547.68

Finding the Fourth Proportional to 1,458,505.64, 2,187,758.36 and 393,547.68

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Solution

The fourth proportional to 1,458,505.64, 2,187,758.36 and 393,547.68 is: 590,321.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,458,505.64 : 2,187,758.36 = 393,547.68 : x
  2. Step 2: Convert to fraction form
    1,458,505.64/2,187,758.36 = 393,547.68/x
  3. Step 3: Cross multiply
    1,458,505.64x = 2,187,758.36 × 393,547.68
  4. Step 4: Simplify right side
    1,458,505.64x = 860,987,227,962.47
  5. Step 5: Solve for x
    x = 860,987,227,962.47/1,458,505.64
  6. Step 6: Final answer
    x = 590,321.49

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.