Home / 893,854.89-1,233,544.08-485,984.19

Finding the Fourth Proportional to 893,854.89, 1,233,544.08 and 485,984.19

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Solution

The fourth proportional to 893,854.89, 1,233,544.08 and 485,984.19 is: 670,671.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,854.89 : 1,233,544.08 = 485,984.19 : x
  2. Step 2: Convert to fraction form
    893,854.89/1,233,544.08 = 485,984.19/x
  3. Step 3: Cross multiply
    893,854.89x = 1,233,544.08 × 485,984.19
  4. Step 4: Simplify right side
    893,854.89x = 599,482,920,548.10
  5. Step 5: Solve for x
    x = 599,482,920,548.10/893,854.89
  6. Step 6: Final answer
    x = 670,671.41

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Double scale
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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.