Home / 1,636,611.77-2,258,594.33-911,459.48

Finding the Fourth Proportional to 1,636,611.77, 2,258,594.33 and 911,459.48

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Solution

The fourth proportional to 1,636,611.77, 2,258,594.33 and 911,459.48 is: 1,257,853.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,611.77 : 2,258,594.33 = 911,459.48 : x
  2. Step 2: Convert to fraction form
    1,636,611.77/2,258,594.33 = 911,459.48/x
  3. Step 3: Cross multiply
    1,636,611.77x = 2,258,594.33 × 911,459.48
  4. Step 4: Simplify right side
    1,636,611.77x = 2,058,617,197,702.48
  5. Step 5: Solve for x
    x = 2,058,617,197,702.48/1,636,611.77
  6. Step 6: Final answer
    x = 1,257,853.11

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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.