Home / 1,657,584.05-2,286,101.28-977,864.45

Finding the Fourth Proportional to 1,657,584.05, 2,286,101.28 and 977,864.45

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Solution

The fourth proportional to 1,657,584.05, 2,286,101.28 and 977,864.45 is: 1,348,647.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,584.05 : 2,286,101.28 = 977,864.45 : x
  2. Step 2: Convert to fraction form
    1,657,584.05/2,286,101.28 = 977,864.45/x
  3. Step 3: Cross multiply
    1,657,584.05x = 2,286,101.28 × 977,864.45
  4. Step 4: Simplify right side
    1,657,584.05x = 2,235,497,159,380.99
  5. Step 5: Solve for x
    x = 2,235,497,159,380.99/1,657,584.05
  6. Step 6: Final answer
    x = 1,348,647.85

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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.