Home / 1,121,934.64-1,681,655.36-854,814.46

Finding the Fourth Proportional to 1,121,934.64, 1,681,655.36 and 854,814.46

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Solution

The fourth proportional to 1,121,934.64, 1,681,655.36 and 854,814.46 is: 1,281,271.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,121,934.64 : 1,681,655.36 = 854,814.46 : x
  2. Step 2: Convert to fraction form
    1,121,934.64/1,681,655.36 = 854,814.46/x
  3. Step 3: Cross multiply
    1,121,934.64x = 1,681,655.36 × 854,814.46
  4. Step 4: Simplify right side
    1,121,934.64x = 1,437,503,318,464.51
  5. Step 5: Solve for x
    x = 1,437,503,318,464.51/1,121,934.64
  6. Step 6: Final answer
    x = 1,281,271.89

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.