Home / 1,262,548.95-1,742,326.57-689,588.97

Finding the Fourth Proportional to 1,262,548.95, 1,742,326.57 and 689,588.97

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Solution

The fourth proportional to 1,262,548.95, 1,742,326.57 and 689,588.97 is: 951,637.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,262,548.95 : 1,742,326.57 = 689,588.97 : x
  2. Step 2: Convert to fraction form
    1,262,548.95/1,742,326.57 = 689,588.97/x
  3. Step 3: Cross multiply
    1,262,548.95x = 1,742,326.57 × 689,588.97
  4. Step 4: Simplify right side
    1,262,548.95x = 1,201,489,184,809.93
  5. Step 5: Solve for x
    x = 1,201,489,184,809.93/1,262,548.95
  6. Step 6: Final answer
    x = 951,637.70

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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.