Home / 1,238,210.64-1,709,093.52-808,557.48

Finding the Fourth Proportional to 1,238,210.64, 1,709,093.52 and 808,557.48

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Solution

The fourth proportional to 1,238,210.64, 1,709,093.52 and 808,557.48 is: 1,116,046.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,210.64 : 1,709,093.52 = 808,557.48 : x
  2. Step 2: Convert to fraction form
    1,238,210.64/1,709,093.52 = 808,557.48/x
  3. Step 3: Cross multiply
    1,238,210.64x = 1,709,093.52 × 808,557.48
  4. Step 4: Simplify right side
    1,238,210.64x = 1,381,900,349,615.53
  5. Step 5: Solve for x
    x = 1,381,900,349,615.53/1,238,210.64
  6. Step 6: Final answer
    x = 1,116,046.26

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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.