Home / 1,188,166.72-1,782,220.48-346,725.76

Finding the Fourth Proportional to 1,188,166.72, 1,782,220.48 and 346,725.76

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Solution

The fourth proportional to 1,188,166.72, 1,782,220.48 and 346,725.76 is: 520,080.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,166.72 : 1,782,220.48 = 346,725.76 : x
  2. Step 2: Convert to fraction form
    1,188,166.72/1,782,220.48 = 346,725.76/x
  3. Step 3: Cross multiply
    1,188,166.72x = 1,782,220.48 × 346,725.76
  4. Step 4: Simplify right side
    1,188,166.72x = 617,941,750,415.57
  5. Step 5: Solve for x
    x = 617,941,750,415.57/1,188,166.72
  6. Step 6: Final answer
    x = 520,080.00

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1.5x scale

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.