Home / 1,091,777.28-1,506,655.68-632,980.80

Finding the Fourth Proportional to 1,091,777.28, 1,506,655.68 and 632,980.80

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Solution

The fourth proportional to 1,091,777.28, 1,506,655.68 and 632,980.80 is: 873,515.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,091,777.28 : 1,506,655.68 = 632,980.80 : x
  2. Step 2: Convert to fraction form
    1,091,777.28/1,506,655.68 = 632,980.80/x
  3. Step 3: Cross multiply
    1,091,777.28x = 1,506,655.68 × 632,980.80
  4. Step 4: Simplify right side
    1,091,777.28x = 953,684,117,650.94
  5. Step 5: Solve for x
    x = 953,684,117,650.94/1,091,777.28
  6. Step 6: Final answer
    x = 873,515.26

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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.