Home / 1,066,437.16-1,471,700.80-636,754.84

Finding the Fourth Proportional to 1,066,437.16, 1,471,700.80 and 636,754.84

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Solution

The fourth proportional to 1,066,437.16, 1,471,700.80 and 636,754.84 is: 878,732.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,437.16 : 1,471,700.80 = 636,754.84 : x
  2. Step 2: Convert to fraction form
    1,066,437.16/1,471,700.80 = 636,754.84/x
  3. Step 3: Cross multiply
    1,066,437.16x = 1,471,700.80 × 636,754.84
  4. Step 4: Simplify right side
    1,066,437.16x = 937,112,607,431.87
  5. Step 5: Solve for x
    x = 937,112,607,431.87/1,066,437.16
  6. Step 6: Final answer
    x = 878,732.14

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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.