Home / 1,584,980.17-2,187,272.63-905,931.25

Finding the Fourth Proportional to 1,584,980.17, 2,187,272.63 and 905,931.25

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Solution

The fourth proportional to 1,584,980.17, 2,187,272.63 and 905,931.25 is: 1,250,185.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,980.17 : 2,187,272.63 = 905,931.25 : x
  2. Step 2: Convert to fraction form
    1,584,980.17/2,187,272.63 = 905,931.25/x
  3. Step 3: Cross multiply
    1,584,980.17x = 2,187,272.63 × 905,931.25
  4. Step 4: Simplify right side
    1,584,980.17x = 1,981,518,624,583.33
  5. Step 5: Solve for x
    x = 1,981,518,624,583.33/1,584,980.17
  6. Step 6: Final answer
    x = 1,250,185.12

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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.