Home / 985,174.57-1,359,540.30-532,465.57

Finding the Fourth Proportional to 985,174.57, 1,359,540.30 and 532,465.57

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Solution

The fourth proportional to 985,174.57, 1,359,540.30 and 532,465.57 is: 734,802.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,174.57 : 1,359,540.30 = 532,465.57 : x
  2. Step 2: Convert to fraction form
    985,174.57/1,359,540.30 = 532,465.57/x
  3. Step 3: Cross multiply
    985,174.57x = 1,359,540.30 × 532,465.57
  4. Step 4: Simplify right side
    985,174.57x = 723,908,405,302.23
  5. Step 5: Solve for x
    x = 723,908,405,302.23/985,174.57
  6. Step 6: Final answer
    x = 734,802.16

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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.