Home / 1,657,584.60-2,286,102.06-977,865

Finding the Fourth Proportional to 1,657,584.60, 2,286,102.06 and 977,865

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Solution

The fourth proportional to 1,657,584.60, 2,286,102.06 and 977,865 is: 1,348,648.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,584.60 : 2,286,102.06 = 977,865 : x
  2. Step 2: Convert to fraction form
    1,657,584.60/2,286,102.06 = 977,865/x
  3. Step 3: Cross multiply
    1,657,584.60x = 2,286,102.06 × 977,865
  4. Step 4: Simplify right side
    1,657,584.60x = 2,235,499,190,901.90
  5. Step 5: Solve for x
    x = 2,235,499,190,901.90/1,657,584.60
  6. Step 6: Final answer
    x = 1,348,648.62

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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.