Home / 893,854.56-1,233,543.64-485,983.86

Finding the Fourth Proportional to 893,854.56, 1,233,543.64 and 485,983.86

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Solution

The fourth proportional to 893,854.56, 1,233,543.64 and 485,983.86 is: 670,670.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,854.56 : 1,233,543.64 = 485,983.86 : x
  2. Step 2: Convert to fraction form
    893,854.56/1,233,543.64 = 485,983.86/x
  3. Step 3: Cross multiply
    893,854.56x = 1,233,543.64 × 485,983.86
  4. Step 4: Simplify right side
    893,854.56x = 599,482,299,645.65
  5. Step 5: Solve for x
    x = 599,482,299,645.65/893,854.56
  6. Step 6: Final answer
    x = 670,670.96

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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.