Home / 897,964.89-1,239,028.39-530,501.86

Finding the Fourth Proportional to 897,964.89, 1,239,028.39 and 530,501.86

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Solution

The fourth proportional to 897,964.89, 1,239,028.39 and 530,501.86 is: 731,996.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    897,964.89 : 1,239,028.39 = 530,501.86 : x
  2. Step 2: Convert to fraction form
    897,964.89/1,239,028.39 = 530,501.86/x
  3. Step 3: Cross multiply
    897,964.89x = 1,239,028.39 × 530,501.86
  4. Step 4: Simplify right side
    897,964.89x = 657,306,857,966.41
  5. Step 5: Solve for x
    x = 657,306,857,966.41/897,964.89
  6. Step 6: Final answer
    x = 731,996.17

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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.