Home / 773,270.10-1,159,905.15-761,460.30

Finding the Fourth Proportional to 773,270.10, 1,159,905.15 and 761,460.30

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Solution

The fourth proportional to 773,270.10, 1,159,905.15 and 761,460.30 is: 1,142,190.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    773,270.10 : 1,159,905.15 = 761,460.30 : x
  2. Step 2: Convert to fraction form
    773,270.10/1,159,905.15 = 761,460.30/x
  3. Step 3: Cross multiply
    773,270.10x = 1,159,905.15 × 761,460.30
  4. Step 4: Simplify right side
    773,270.10x = 883,221,723,490.55
  5. Step 5: Solve for x
    x = 883,221,723,490.55/773,270.10
  6. Step 6: Final answer
    x = 1,142,190.45

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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.