Home / 991,644.54-1,368,388.32-583,681.56

Finding the Fourth Proportional to 991,644.54, 1,368,388.32 and 583,681.56

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Solution

The fourth proportional to 991,644.54, 1,368,388.32 and 583,681.56 is: 805,432.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,644.54 : 1,368,388.32 = 583,681.56 : x
  2. Step 2: Convert to fraction form
    991,644.54/1,368,388.32 = 583,681.56/x
  3. Step 3: Cross multiply
    991,644.54x = 1,368,388.32 × 583,681.56
  4. Step 4: Simplify right side
    991,644.54x = 798,703,029,303.38
  5. Step 5: Solve for x
    x = 798,703,029,303.38/991,644.54
  6. Step 6: Final answer
    x = 805,432.79

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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.