Home / 917,733.70-1,266,589.29-555,160.16

Finding the Fourth Proportional to 917,733.70, 1,266,589.29 and 555,160.16

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Solution

The fourth proportional to 917,733.70, 1,266,589.29 and 555,160.16 is: 766,191.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,733.70 : 1,266,589.29 = 555,160.16 : x
  2. Step 2: Convert to fraction form
    917,733.70/1,266,589.29 = 555,160.16/x
  3. Step 3: Cross multiply
    917,733.70x = 1,266,589.29 × 555,160.16
  4. Step 4: Simplify right side
    917,733.70x = 703,159,912,890.69
  5. Step 5: Solve for x
    x = 703,159,912,890.69/917,733.70
  6. Step 6: Final answer
    x = 766,191.67

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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.