Home / 1,172,461.80-1,758,692.70-857,533.80

Finding the Fourth Proportional to 1,172,461.80, 1,758,692.70 and 857,533.80

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Solution

The fourth proportional to 1,172,461.80, 1,758,692.70 and 857,533.80 is: 1,286,300.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,172,461.80 : 1,758,692.70 = 857,533.80 : x
  2. Step 2: Convert to fraction form
    1,172,461.80/1,758,692.70 = 857,533.80/x
  3. Step 3: Cross multiply
    1,172,461.80x = 1,758,692.70 × 857,533.80
  4. Step 4: Simplify right side
    1,172,461.80x = 1,508,138,434,063.26
  5. Step 5: Solve for x
    x = 1,508,138,434,063.26/1,172,461.80
  6. Step 6: Final answer
    x = 1,286,300.70

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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.