Home / 1,043,607.90-1,565,421.45-545,943.90

Finding the Fourth Proportional to 1,043,607.90, 1,565,421.45 and 545,943.90

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Solution

The fourth proportional to 1,043,607.90, 1,565,421.45 and 545,943.90 is: 818,920.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,043,607.90 : 1,565,421.45 = 545,943.90 : x
  2. Step 2: Convert to fraction form
    1,043,607.90/1,565,421.45 = 545,943.90/x
  3. Step 3: Cross multiply
    1,043,607.90x = 1,565,421.45 × 545,943.90
  4. Step 4: Simplify right side
    1,043,607.90x = 854,632,291,556.66
  5. Step 5: Solve for x
    x = 854,632,291,556.66/1,043,607.90
  6. Step 6: Final answer
    x = 818,920.87

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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.