Home / 1,527,284.70-2,107,584.68-915,774.98

Finding the Fourth Proportional to 1,527,284.70, 2,107,584.68 and 915,774.98

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Solution

The fourth proportional to 1,527,284.70, 2,107,584.68 and 915,774.98 is: 1,263,728.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,527,284.70 : 2,107,584.68 = 915,774.98 : x
  2. Step 2: Convert to fraction form
    1,527,284.70/2,107,584.68 = 915,774.98/x
  3. Step 3: Cross multiply
    1,527,284.70x = 2,107,584.68 × 915,774.98
  4. Step 4: Simplify right side
    1,527,284.70x = 1,930,073,303,058.51
  5. Step 5: Solve for x
    x = 1,930,073,303,058.51/1,527,284.70
  6. Step 6: Final answer
    x = 1,263,728.57

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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.