Home / 986,808.30-1,480,212.45-977,477.10

Finding the Fourth Proportional to 986,808.30, 1,480,212.45 and 977,477.10

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Solution

The fourth proportional to 986,808.30, 1,480,212.45 and 977,477.10 is: 1,466,215.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,808.30 : 1,480,212.45 = 977,477.10 : x
  2. Step 2: Convert to fraction form
    986,808.30/1,480,212.45 = 977,477.10/x
  3. Step 3: Cross multiply
    986,808.30x = 1,480,212.45 × 977,477.10
  4. Step 4: Simplify right side
    986,808.30x = 1,446,873,773,009.90
  5. Step 5: Solve for x
    x = 1,446,873,773,009.90/986,808.30
  6. Step 6: Final answer
    x = 1,466,215.65

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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.