Home / 1,065,812.80-1,597,941.60-434,401.60

Finding the Fourth Proportional to 1,065,812.80, 1,597,941.60 and 434,401.60

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Solution

The fourth proportional to 1,065,812.80, 1,597,941.60 and 434,401.60 is: 651,285.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,065,812.80 : 1,597,941.60 = 434,401.60 : x
  2. Step 2: Convert to fraction form
    1,065,812.80/1,597,941.60 = 434,401.60/x
  3. Step 3: Cross multiply
    1,065,812.80x = 1,597,941.60 × 434,401.60
  4. Step 4: Simplify right side
    1,065,812.80x = 694,148,387,746.56
  5. Step 5: Solve for x
    x = 694,148,387,746.56/1,065,812.80
  6. Step 6: Final answer
    x = 651,285.47

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.