Home / 985,543.10-1,359,968.01-555,928.82

Finding the Fourth Proportional to 985,543.10, 1,359,968.01 and 555,928.82

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Solution

The fourth proportional to 985,543.10, 1,359,968.01 and 555,928.82 is: 767,135.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,543.10 : 1,359,968.01 = 555,928.82 : x
  2. Step 2: Convert to fraction form
    985,543.10/1,359,968.01 = 555,928.82/x
  3. Step 3: Cross multiply
    985,543.10x = 1,359,968.01 × 555,928.82
  4. Step 4: Simplify right side
    985,543.10x = 756,045,404,237.21
  5. Step 5: Solve for x
    x = 756,045,404,237.21/985,543.10
  6. Step 6: Final answer
    x = 767,135.81

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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.