Home / 1,584,487-2,186,592.06-869,079.64

Finding the Fourth Proportional to 1,584,487, 2,186,592.06 and 869,079.64

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Solution

The fourth proportional to 1,584,487, 2,186,592.06 and 869,079.64 is: 1,199,329.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,584,487 : 2,186,592.06 = 869,079.64 : x
  2. Step 2: Convert to fraction form
    1,584,487/2,186,592.06 = 869,079.64/x
  3. Step 3: Cross multiply
    1,584,487x = 2,186,592.06 × 869,079.64
  4. Step 4: Simplify right side
    1,584,487x = 1,900,322,640,331.66
  5. Step 5: Solve for x
    x = 1,900,322,640,331.66/1,584,487
  6. Step 6: Final answer
    x = 1,199,329.90

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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.