Home / 1,013,820.57-1,399,012.56-554,844.60

Finding the Fourth Proportional to 1,013,820.57, 1,399,012.56 and 554,844.60

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Solution

The fourth proportional to 1,013,820.57, 1,399,012.56 and 554,844.60 is: 765,652.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,013,820.57 : 1,399,012.56 = 554,844.60 : x
  2. Step 2: Convert to fraction form
    1,013,820.57/1,399,012.56 = 554,844.60/x
  3. Step 3: Cross multiply
    1,013,820.57x = 1,399,012.56 × 554,844.60
  4. Step 4: Simplify right side
    1,013,820.57x = 776,234,564,248.18
  5. Step 5: Solve for x
    x = 776,234,564,248.18/1,013,820.57
  6. Step 6: Final answer
    x = 765,652.81

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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.