Home / 1,142,958.70-1,577,301.15-626,759.57

Finding the Fourth Proportional to 1,142,958.70, 1,577,301.15 and 626,759.57

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Solution

The fourth proportional to 1,142,958.70, 1,577,301.15 and 626,759.57 is: 864,938.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,958.70 : 1,577,301.15 = 626,759.57 : x
  2. Step 2: Convert to fraction form
    1,142,958.70/1,577,301.15 = 626,759.57/x
  3. Step 3: Cross multiply
    1,142,958.70x = 1,577,301.15 × 626,759.57
  4. Step 4: Simplify right side
    1,142,958.70x = 988,588,596,828.11
  5. Step 5: Solve for x
    x = 988,588,596,828.11/1,142,958.70
  6. Step 6: Final answer
    x = 864,938.16

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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.