Home / 1,043,041.80-1,564,562.70-378,107.40

Finding the Fourth Proportional to 1,043,041.80, 1,564,562.70 and 378,107.40

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Solution

The fourth proportional to 1,043,041.80, 1,564,562.70 and 378,107.40 is: 567,161.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,041.80 : 1,564,562.70 = 378,107.40 : x
  2. Step 2: Convert to fraction form
    1,043,041.80/1,564,562.70 = 378,107.40/x
  3. Step 3: Cross multiply
    1,043,041.80x = 1,564,562.70 × 378,107.40
  4. Step 4: Simplify right side
    1,043,041.80x = 591,572,734,633.98
  5. Step 5: Solve for x
    x = 591,572,734,633.98/1,043,041.80
  6. Step 6: Final answer
    x = 567,161.10

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Double scale
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Similar ratio
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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.