Home / 1,657,582.90-2,286,099.72-977,863.30

Finding the Fourth Proportional to 1,657,582.90, 2,286,099.72 and 977,863.30

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Solution

The fourth proportional to 1,657,582.90, 2,286,099.72 and 977,863.30 is: 1,348,646.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,657,582.90 : 2,286,099.72 = 977,863.30 : x
  2. Step 2: Convert to fraction form
    1,657,582.90/2,286,099.72 = 977,863.30/x
  3. Step 3: Cross multiply
    1,657,582.90x = 2,286,099.72 × 977,863.30
  4. Step 4: Simplify right side
    1,657,582.90x = 2,235,493,011,438.96
  5. Step 5: Solve for x
    x = 2,235,493,011,438.96/1,657,582.90
  6. Step 6: Final answer
    x = 1,348,646.28

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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.