Home / 1,077,165.72-1,615,573.32-508,545.72

Finding the Fourth Proportional to 1,077,165.72, 1,615,573.32 and 508,545.72

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Solution

The fourth proportional to 1,077,165.72, 1,615,573.32 and 508,545.72 is: 762,735.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,077,165.72 : 1,615,573.32 = 508,545.72 : x
  2. Step 2: Convert to fraction form
    1,077,165.72/1,615,573.32 = 508,545.72/x
  3. Step 3: Cross multiply
    1,077,165.72x = 1,615,573.32 × 508,545.72
  4. Step 4: Simplify right side
    1,077,165.72x = 821,592,897,232.19
  5. Step 5: Solve for x
    x = 821,592,897,232.19/1,077,165.72
  6. Step 6: Final answer
    x = 762,735.84

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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.