Home / 893,533.20-1,340,537.40-387,877.20

Finding the Fourth Proportional to 893,533.20, 1,340,537.40 and 387,877.20

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Solution

The fourth proportional to 893,533.20, 1,340,537.40 and 387,877.20 is: 581,918.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,533.20 : 1,340,537.40 = 387,877.20 : x
  2. Step 2: Convert to fraction form
    893,533.20/1,340,537.40 = 387,877.20/x
  3. Step 3: Cross multiply
    893,533.20x = 1,340,537.40 × 387,877.20
  4. Step 4: Simplify right side
    893,533.20x = 519,963,893,207.28
  5. Step 5: Solve for x
    x = 519,963,893,207.28/893,533.20
  6. Step 6: Final answer
    x = 581,918.94

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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.