Home / 1,404,021.80-2,106,000.30-457,385.60

Finding the Fourth Proportional to 1,404,021.80, 2,106,000.30 and 457,385.60

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Solution

The fourth proportional to 1,404,021.80, 2,106,000.30 and 457,385.60 is: 686,067.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,021.80 : 2,106,000.30 = 457,385.60 : x
  2. Step 2: Convert to fraction form
    1,404,021.80/2,106,000.30 = 457,385.60/x
  3. Step 3: Cross multiply
    1,404,021.80x = 2,106,000.30 × 457,385.60
  4. Step 4: Simplify right side
    1,404,021.80x = 963,254,210,815.68
  5. Step 5: Solve for x
    x = 963,254,210,815.68/1,404,021.80
  6. Step 6: Final answer
    x = 686,067.85

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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.