Home / 991,115.81-1,367,623.79-583,127.93

Finding the Fourth Proportional to 991,115.81, 1,367,623.79 and 583,127.93

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Solution

The fourth proportional to 991,115.81, 1,367,623.79 and 583,127.93 is: 804,648.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,115.81 : 1,367,623.79 = 583,127.93 : x
  2. Step 2: Convert to fraction form
    991,115.81/1,367,623.79 = 583,127.93/x
  3. Step 3: Cross multiply
    991,115.81x = 1,367,623.79 × 583,127.93
  4. Step 4: Simplify right side
    991,115.81x = 797,499,619,927.70
  5. Step 5: Solve for x
    x = 797,499,619,927.70/991,115.81
  6. Step 6: Final answer
    x = 804,648.27

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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.