Home / 980,654.34-1,353,230.22-551,006.04

Finding the Fourth Proportional to 980,654.34, 1,353,230.22 and 551,006.04

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Solution

The fourth proportional to 980,654.34, 1,353,230.22 and 551,006.04 is: 760,347.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    980,654.34 : 1,353,230.22 = 551,006.04 : x
  2. Step 2: Convert to fraction form
    980,654.34/1,353,230.22 = 551,006.04/x
  3. Step 3: Cross multiply
    980,654.34x = 1,353,230.22 × 551,006.04
  4. Step 4: Simplify right side
    980,654.34x = 745,638,024,730.53
  5. Step 5: Solve for x
    x = 745,638,024,730.53/980,654.34
  6. Step 6: Final answer
    x = 760,347.45

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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.