Home / 811,683.82-1,119,635.76-536,044.20

Finding the Fourth Proportional to 811,683.82, 1,119,635.76 and 536,044.20

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Solution

The fourth proportional to 811,683.82, 1,119,635.76 and 536,044.20 is: 739,418.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    811,683.82 : 1,119,635.76 = 536,044.20 : x
  2. Step 2: Convert to fraction form
    811,683.82/1,119,635.76 = 536,044.20/x
  3. Step 3: Cross multiply
    811,683.82x = 1,119,635.76 × 536,044.20
  4. Step 4: Simplify right side
    811,683.82x = 600,174,255,260.59
  5. Step 5: Solve for x
    x = 600,174,255,260.59/811,683.82
  6. Step 6: Final answer
    x = 739,418.77

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Double scale
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1.5x scale

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.