Home / 1,066,439.16-1,471,703.56-636,756.84

Finding the Fourth Proportional to 1,066,439.16, 1,471,703.56 and 636,756.84

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Solution

The fourth proportional to 1,066,439.16, 1,471,703.56 and 636,756.84 is: 878,734.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,066,439.16 : 1,471,703.56 = 636,756.84 : x
  2. Step 2: Convert to fraction form
    1,066,439.16/1,471,703.56 = 636,756.84/x
  3. Step 3: Cross multiply
    1,066,439.16x = 1,471,703.56 × 636,756.84
  4. Step 4: Simplify right side
    1,066,439.16x = 937,117,308,282.35
  5. Step 5: Solve for x
    x = 937,117,308,282.35/1,066,439.16
  6. Step 6: Final answer
    x = 878,734.90

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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.