Home / 1,186,617.53-1,780,009.31-587,417.80

Finding the Fourth Proportional to 1,186,617.53, 1,780,009.31 and 587,417.80

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Solution

The fourth proportional to 1,186,617.53, 1,780,009.31 and 587,417.80 is: 881,167.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,617.53 : 1,780,009.31 = 587,417.80 : x
  2. Step 2: Convert to fraction form
    1,186,617.53/1,780,009.31 = 587,417.80/x
  3. Step 3: Cross multiply
    1,186,617.53x = 1,780,009.31 × 587,417.80
  4. Step 4: Simplify right side
    1,186,617.53x = 1,045,609,152,859.72
  5. Step 5: Solve for x
    x = 1,045,609,152,859.72/1,186,617.53
  6. Step 6: Final answer
    x = 881,167.80

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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.