Home / 1,385,673.57-1,911,700.85-841,604.13

Finding the Fourth Proportional to 1,385,673.57, 1,911,700.85 and 841,604.13

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Solution

The fourth proportional to 1,385,673.57, 1,911,700.85 and 841,604.13 is: 1,161,092.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,385,673.57 : 1,911,700.85 = 841,604.13 : x
  2. Step 2: Convert to fraction form
    1,385,673.57/1,911,700.85 = 841,604.13/x
  3. Step 3: Cross multiply
    1,385,673.57x = 1,911,700.85 × 841,604.13
  4. Step 4: Simplify right side
    1,385,673.57x = 1,608,895,326,476.49
  5. Step 5: Solve for x
    x = 1,608,895,326,476.49/1,385,673.57
  6. Step 6: Final answer
    x = 1,161,092.60

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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.