Home / 700,353.56-1,043,868.16-660,491.84

Finding the Fourth Proportional to 700,353.56, 1,043,868.16 and 660,491.84

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Solution

The fourth proportional to 700,353.56, 1,043,868.16 and 660,491.84 is: 984,454.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,353.56 : 1,043,868.16 = 660,491.84 : x
  2. Step 2: Convert to fraction form
    700,353.56/1,043,868.16 = 660,491.84/x
  3. Step 3: Cross multiply
    700,353.56x = 1,043,868.16 × 660,491.84
  4. Step 4: Simplify right side
    700,353.56x = 689,466,401,715.81
  5. Step 5: Solve for x
    x = 689,466,401,715.81/700,353.56
  6. Step 6: Final answer
    x = 984,454.77

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.