Home / 982,470.30-1,355,699.29-552,741.20

Finding the Fourth Proportional to 982,470.30, 1,355,699.29 and 552,741.20

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Solution

The fourth proportional to 982,470.30, 1,355,699.29 and 552,741.20 is: 762,721.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    982,470.30 : 1,355,699.29 = 552,741.20 : x
  2. Step 2: Convert to fraction form
    982,470.30/1,355,699.29 = 552,741.20/x
  3. Step 3: Cross multiply
    982,470.30x = 1,355,699.29 × 552,741.20
  4. Step 4: Simplify right side
    982,470.30x = 749,350,849,630.04
  5. Step 5: Solve for x
    x = 749,350,849,630.04/982,470.30
  6. Step 6: Final answer
    x = 762,721.12

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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.