Home / 1,228,459.08-1,695,250.50-684,582.90

Finding the Fourth Proportional to 1,228,459.08, 1,695,250.50 and 684,582.90

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Solution

The fourth proportional to 1,228,459.08, 1,695,250.50 and 684,582.90 is: 944,711.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,228,459.08 : 1,695,250.50 = 684,582.90 : x
  2. Step 2: Convert to fraction form
    1,228,459.08/1,695,250.50 = 684,582.90/x
  3. Step 3: Cross multiply
    1,228,459.08x = 1,695,250.50 × 684,582.90
  4. Step 4: Simplify right side
    1,228,459.08x = 1,160,539,503,516.45
  5. Step 5: Solve for x
    x = 1,160,539,503,516.45/1,228,459.08
  6. Step 6: Final answer
    x = 944,711.57

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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.