Home / 1,219,861.59-1,683,332.88-675,965.61

Finding the Fourth Proportional to 1,219,861.59, 1,683,332.88 and 675,965.61

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Solution

The fourth proportional to 1,219,861.59, 1,683,332.88 and 675,965.61 is: 932,790.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,861.59 : 1,683,332.88 = 675,965.61 : x
  2. Step 2: Convert to fraction form
    1,219,861.59/1,683,332.88 = 675,965.61/x
  3. Step 3: Cross multiply
    1,219,861.59x = 1,683,332.88 × 675,965.61
  4. Step 4: Simplify right side
    1,219,861.59x = 1,137,875,137,062.26
  5. Step 5: Solve for x
    x = 1,137,875,137,062.26/1,219,861.59
  6. Step 6: Final answer
    x = 932,790.36

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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.