Home / 1,668,940.20-2,502,316.80-657,452.70

Finding the Fourth Proportional to 1,668,940.20, 2,502,316.80 and 657,452.70

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Solution

The fourth proportional to 1,668,940.20, 2,502,316.80 and 657,452.70 is: 985,748.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,668,940.20 : 2,502,316.80 = 657,452.70 : x
  2. Step 2: Convert to fraction form
    1,668,940.20/2,502,316.80 = 657,452.70/x
  3. Step 3: Cross multiply
    1,668,940.20x = 2,502,316.80 × 657,452.70
  4. Step 4: Simplify right side
    1,668,940.20x = 1,645,154,936,415.36
  5. Step 5: Solve for x
    x = 1,645,154,936,415.36/1,668,940.20
  6. Step 6: Final answer
    x = 985,748.28

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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.