Home / 1,636,756.40-2,258,793.93-911,604.30

Finding the Fourth Proportional to 1,636,756.40, 2,258,793.93 and 911,604.30

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Solution

The fourth proportional to 1,636,756.40, 2,258,793.93 and 911,604.30 is: 1,258,052.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,636,756.40 : 2,258,793.93 = 911,604.30 : x
  2. Step 2: Convert to fraction form
    1,636,756.40/2,258,793.93 = 911,604.30/x
  3. Step 3: Cross multiply
    1,636,756.40x = 2,258,793.93 × 911,604.30
  4. Step 4: Simplify right side
    1,636,756.40x = 2,059,126,259,401.90
  5. Step 5: Solve for x
    x = 2,059,126,259,401.90/1,636,756.40
  6. Step 6: Final answer
    x = 1,258,052.98

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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.