Home / 1,156,038.18-1,595,299.86-639,813.23

Finding the Fourth Proportional to 1,156,038.18, 1,595,299.86 and 639,813.23

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Solution

The fourth proportional to 1,156,038.18, 1,595,299.86 and 639,813.23 is: 882,924.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,038.18 : 1,595,299.86 = 639,813.23 : x
  2. Step 2: Convert to fraction form
    1,156,038.18/1,595,299.86 = 639,813.23/x
  3. Step 3: Cross multiply
    1,156,038.18x = 1,595,299.86 × 639,813.23
  4. Step 4: Simplify right side
    1,156,038.18x = 1,020,693,954,251.02
  5. Step 5: Solve for x
    x = 1,020,693,954,251.02/1,156,038.18
  6. Step 6: Final answer
    x = 882,924.09

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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.