Home / 1,313,613.05-1,812,786.08-710,001.05

Finding the Fourth Proportional to 1,313,613.05, 1,812,786.08 and 710,001.05

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Solution

The fourth proportional to 1,313,613.05, 1,812,786.08 and 710,001.05 is: 979,801.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,313,613.05 : 1,812,786.08 = 710,001.05 : x
  2. Step 2: Convert to fraction form
    1,313,613.05/1,812,786.08 = 710,001.05/x
  3. Step 3: Cross multiply
    1,313,613.05x = 1,812,786.08 × 710,001.05
  4. Step 4: Simplify right side
    1,313,613.05x = 1,287,080,007,611.45
  5. Step 5: Solve for x
    x = 1,287,080,007,611.45/1,313,613.05
  6. Step 6: Final answer
    x = 979,801.48

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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.