Home / 938,652.56-1,295,328.48-508,931.36

Finding the Fourth Proportional to 938,652.56, 1,295,328.48 and 508,931.36

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Solution

The fourth proportional to 938,652.56, 1,295,328.48 and 508,931.36 is: 702,318.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,652.56 : 1,295,328.48 = 508,931.36 : x
  2. Step 2: Convert to fraction form
    938,652.56/1,295,328.48 = 508,931.36/x
  3. Step 3: Cross multiply
    938,652.56x = 1,295,328.48 × 508,931.36
  4. Step 4: Simplify right side
    938,652.56x = 659,233,284,973.13
  5. Step 5: Solve for x
    x = 659,233,284,973.13/938,652.56
  6. Step 6: Final answer
    x = 702,318.74

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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.