Home / 1,001,830.98-1,382,668.53-619,980.78

Finding the Fourth Proportional to 1,001,830.98, 1,382,668.53 and 619,980.78

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Solution

The fourth proportional to 1,001,830.98, 1,382,668.53 and 619,980.78 is: 855,661.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,001,830.98 : 1,382,668.53 = 619,980.78 : x
  2. Step 2: Convert to fraction form
    1,001,830.98/1,382,668.53 = 619,980.78/x
  3. Step 3: Cross multiply
    1,001,830.98x = 1,382,668.53 × 619,980.78
  4. Step 4: Simplify right side
    1,001,830.98x = 857,227,913,710.85
  5. Step 5: Solve for x
    x = 857,227,913,710.85/1,001,830.98
  6. Step 6: Final answer
    x = 855,661.22

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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.