Home / 1,154,289.19-1,592,915.75-644,991.97

Finding the Fourth Proportional to 1,154,289.19, 1,592,915.75 and 644,991.97

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Solution

The fourth proportional to 1,154,289.19, 1,592,915.75 and 644,991.97 is: 890,087.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,289.19 : 1,592,915.75 = 644,991.97 : x
  2. Step 2: Convert to fraction form
    1,154,289.19/1,592,915.75 = 644,991.97/x
  3. Step 3: Cross multiply
    1,154,289.19x = 1,592,915.75 × 644,991.97
  4. Step 4: Simplify right side
    1,154,289.19x = 1,027,417,864,411.57
  5. Step 5: Solve for x
    x = 1,027,417,864,411.57/1,154,289.19
  6. Step 6: Final answer
    x = 890,087.05

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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.