Home / 695,005.40-1,043,285.70-537,930.20

Finding the Fourth Proportional to 695,005.40, 1,043,285.70 and 537,930.20

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Solution

The fourth proportional to 695,005.40, 1,043,285.70 and 537,930.20 is: 807,497.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    695,005.40 : 1,043,285.70 = 537,930.20 : x
  2. Step 2: Convert to fraction form
    695,005.40/1,043,285.70 = 537,930.20/x
  3. Step 3: Cross multiply
    695,005.40x = 1,043,285.70 × 537,930.20
  4. Step 4: Simplify right side
    695,005.40x = 561,214,885,258.14
  5. Step 5: Solve for x
    x = 561,214,885,258.14/695,005.40
  6. Step 6: Final answer
    x = 807,497.16

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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.