Home / 1,223,022.80-1,834,534.20-656,152.40

Finding the Fourth Proportional to 1,223,022.80, 1,834,534.20 and 656,152.40

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Solution

The fourth proportional to 1,223,022.80, 1,834,534.20 and 656,152.40 is: 984,228.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,022.80 : 1,834,534.20 = 656,152.40 : x
  2. Step 2: Convert to fraction form
    1,223,022.80/1,834,534.20 = 656,152.40/x
  3. Step 3: Cross multiply
    1,223,022.80x = 1,834,534.20 × 656,152.40
  4. Step 4: Simplify right side
    1,223,022.80x = 1,203,734,018,212.08
  5. Step 5: Solve for x
    x = 1,203,734,018,212.08/1,223,022.80
  6. Step 6: Final answer
    x = 984,228.60

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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.