Home / 1,256,909.66-1,736,284.79-1,210,246.51

Finding the Fourth Proportional to 1,256,909.66, 1,736,284.79 and 1,210,246.51

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Solution

The fourth proportional to 1,256,909.66, 1,736,284.79 and 1,210,246.51 is: 1,671,824.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,909.66 : 1,736,284.79 = 1,210,246.51 : x
  2. Step 2: Convert to fraction form
    1,256,909.66/1,736,284.79 = 1,210,246.51/x
  3. Step 3: Cross multiply
    1,256,909.66x = 1,736,284.79 × 1,210,246.51
  4. Step 4: Simplify right side
    1,256,909.66x = 2,101,332,607,463.58
  5. Step 5: Solve for x
    x = 2,101,332,607,463.58/1,256,909.66
  6. Step 6: Final answer
    x = 1,671,824.69

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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.