Home / 1,139,347.80-1,572,493.30-656,192.67

Finding the Fourth Proportional to 1,139,347.80, 1,572,493.30 and 656,192.67

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Solution

The fourth proportional to 1,139,347.80, 1,572,493.30 and 656,192.67 is: 905,657.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,347.80 : 1,572,493.30 = 656,192.67 : x
  2. Step 2: Convert to fraction form
    1,139,347.80/1,572,493.30 = 656,192.67/x
  3. Step 3: Cross multiply
    1,139,347.80x = 1,572,493.30 × 656,192.67
  4. Step 4: Simplify right side
    1,139,347.80x = 1,031,858,569,546.78
  5. Step 5: Solve for x
    x = 1,031,858,569,546.78/1,139,347.80
  6. Step 6: Final answer
    x = 905,657.23

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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.