Home / 1,289,727.50-1,934,588.95-343,098.25

Finding the Fourth Proportional to 1,289,727.50, 1,934,588.95 and 343,098.25

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Solution

The fourth proportional to 1,289,727.50, 1,934,588.95 and 343,098.25 is: 514,646.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,727.50 : 1,934,588.95 = 343,098.25 : x
  2. Step 2: Convert to fraction form
    1,289,727.50/1,934,588.95 = 343,098.25/x
  3. Step 3: Cross multiply
    1,289,727.50x = 1,934,588.95 × 343,098.25
  4. Step 4: Simplify right side
    1,289,727.50x = 663,754,077,520.12
  5. Step 5: Solve for x
    x = 663,754,077,520.12/1,289,727.50
  6. Step 6: Final answer
    x = 514,646.76

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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.