Home / 1,139,893.92-1,573,099.92-630,587.52

Finding the Fourth Proportional to 1,139,893.92, 1,573,099.92 and 630,587.52

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Solution

The fourth proportional to 1,139,893.92, 1,573,099.92 and 630,587.52 is: 870,236.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,893.92 : 1,573,099.92 = 630,587.52 : x
  2. Step 2: Convert to fraction form
    1,139,893.92/1,573,099.92 = 630,587.52/x
  3. Step 3: Cross multiply
    1,139,893.92x = 1,573,099.92 × 630,587.52
  4. Step 4: Simplify right side
    1,139,893.92x = 991,977,177,265.00
  5. Step 5: Solve for x
    x = 991,977,177,265.00/1,139,893.92
  6. Step 6: Final answer
    x = 870,236.40

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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.