Home / 1,158,687.05-1,738,510.70-625,581.50

Finding the Fourth Proportional to 1,158,687.05, 1,738,510.70 and 625,581.50

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Solution

The fourth proportional to 1,158,687.05, 1,738,510.70 and 625,581.50 is: 938,631.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,158,687.05 : 1,738,510.70 = 625,581.50 : x
  2. Step 2: Convert to fraction form
    1,158,687.05/1,738,510.70 = 625,581.50/x
  3. Step 3: Cross multiply
    1,158,687.05x = 1,738,510.70 × 625,581.50
  4. Step 4: Simplify right side
    1,158,687.05x = 1,087,580,131,472.05
  5. Step 5: Solve for x
    x = 1,087,580,131,472.05/1,158,687.05
  6. Step 6: Final answer
    x = 938,631.47

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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.