Home / 1,135,988.09-1,567,668.65-619,740.42

Finding the Fourth Proportional to 1,135,988.09, 1,567,668.65 and 619,740.42

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Solution

The fourth proportional to 1,135,988.09, 1,567,668.65 and 619,740.42 is: 855,244.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,135,988.09 : 1,567,668.65 = 619,740.42 : x
  2. Step 2: Convert to fraction form
    1,135,988.09/1,567,668.65 = 619,740.42/x
  3. Step 3: Cross multiply
    1,135,988.09x = 1,567,668.65 × 619,740.42
  4. Step 4: Simplify right side
    1,135,988.09x = 971,547,616,634.79
  5. Step 5: Solve for x
    x = 971,547,616,634.79/1,135,988.09
  6. Step 6: Final answer
    x = 855,244.54

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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.