Home / 991,118.07-1,367,626.89-583,130.18

Finding the Fourth Proportional to 991,118.07, 1,367,626.89 and 583,130.18

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Solution

The fourth proportional to 991,118.07, 1,367,626.89 and 583,130.18 is: 804,651.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    991,118.07 : 1,367,626.89 = 583,130.18 : x
  2. Step 2: Convert to fraction form
    991,118.07/1,367,626.89 = 583,130.18/x
  3. Step 3: Cross multiply
    991,118.07x = 1,367,626.89 × 583,130.18
  4. Step 4: Simplify right side
    991,118.07x = 797,504,507,700.41
  5. Step 5: Solve for x
    x = 797,504,507,700.41/991,118.07
  6. Step 6: Final answer
    x = 804,651.36

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1.5x scale

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.