Home / 929,780.94-1,281,642.03-607,329.66

Finding the Fourth Proportional to 929,780.94, 1,281,642.03 and 607,329.66

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Solution

The fourth proportional to 929,780.94, 1,281,642.03 and 607,329.66 is: 837,164.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    929,780.94 : 1,281,642.03 = 607,329.66 : x
  2. Step 2: Convert to fraction form
    929,780.94/1,281,642.03 = 607,329.66/x
  3. Step 3: Cross multiply
    929,780.94x = 1,281,642.03 × 607,329.66
  4. Step 4: Simplify right side
    929,780.94x = 778,379,218,321.61
  5. Step 5: Solve for x
    x = 778,379,218,321.61/929,780.94
  6. Step 6: Final answer
    x = 837,164.09

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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.