Home / 893,580.40-1,340,370.60-538,411.60

Finding the Fourth Proportional to 893,580.40, 1,340,370.60 and 538,411.60

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Solution

The fourth proportional to 893,580.40, 1,340,370.60 and 538,411.60 is: 807,617.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,580.40 : 1,340,370.60 = 538,411.60 : x
  2. Step 2: Convert to fraction form
    893,580.40/1,340,370.60 = 538,411.60/x
  3. Step 3: Cross multiply
    893,580.40x = 1,340,370.60 × 538,411.60
  4. Step 4: Simplify right side
    893,580.40x = 721,671,079,338.96
  5. Step 5: Solve for x
    x = 721,671,079,338.96/893,580.40
  6. Step 6: Final answer
    x = 807,617.40

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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.