Home / 753,261.12-1,039,515.12-413,748

Finding the Fourth Proportional to 753,261.12, 1,039,515.12 and 413,748

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Solution

The fourth proportional to 753,261.12, 1,039,515.12 and 413,748 is: 570,980.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,261.12 : 1,039,515.12 = 413,748 : x
  2. Step 2: Convert to fraction form
    753,261.12/1,039,515.12 = 413,748/x
  3. Step 3: Cross multiply
    753,261.12x = 1,039,515.12 × 413,748
  4. Step 4: Simplify right side
    753,261.12x = 430,097,301,869.76
  5. Step 5: Solve for x
    x = 430,097,301,869.76/753,261.12
  6. Step 6: Final answer
    x = 570,980.36

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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.