Home / 991,119.07-1,367,628.27-583,131.18

Finding the Fourth Proportional to 991,119.07, 1,367,628.27 and 583,131.18

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Solution

The fourth proportional to 991,119.07, 1,367,628.27 and 583,131.18 is: 804,652.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,119.07 : 1,367,628.27 = 583,131.18 : x
  2. Step 2: Convert to fraction form
    991,119.07/1,367,628.27 = 583,131.18/x
  3. Step 3: Cross multiply
    991,119.07x = 1,367,628.27 × 583,131.18
  4. Step 4: Simplify right side
    991,119.07x = 797,506,686,886.46
  5. Step 5: Solve for x
    x = 797,506,686,886.46/991,119.07
  6. Step 6: Final answer
    x = 804,652.75

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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.