Home / 1,209,427.23-1,668,633.84-686,051.58

Finding the Fourth Proportional to 1,209,427.23, 1,668,633.84 and 686,051.58

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Solution

The fourth proportional to 1,209,427.23, 1,668,633.84 and 686,051.58 is: 946,538.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,209,427.23 : 1,668,633.84 = 686,051.58 : x
  2. Step 2: Convert to fraction form
    1,209,427.23/1,668,633.84 = 686,051.58/x
  3. Step 3: Cross multiply
    1,209,427.23x = 1,668,633.84 × 686,051.58
  4. Step 4: Simplify right side
    1,209,427.23x = 1,144,768,878,696.98
  5. Step 5: Solve for x
    x = 1,144,768,878,696.98/1,209,427.23
  6. Step 6: Final answer
    x = 946,538.04

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.