Home / 910,083.20-1,365,124.80-841,654.40

Finding the Fourth Proportional to 910,083.20, 1,365,124.80 and 841,654.40

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Solution

The fourth proportional to 910,083.20, 1,365,124.80 and 841,654.40 is: 1,262,481.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,083.20 : 1,365,124.80 = 841,654.40 : x
  2. Step 2: Convert to fraction form
    910,083.20/1,365,124.80 = 841,654.40/x
  3. Step 3: Cross multiply
    910,083.20x = 1,365,124.80 × 841,654.40
  4. Step 4: Simplify right side
    910,083.20x = 1,148,963,294,469.12
  5. Step 5: Solve for x
    x = 1,148,963,294,469.12/910,083.20
  6. Step 6: Final answer
    x = 1,262,481.60

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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.