Home / 843,313.61-1,163,800.28-461,340.39

Finding the Fourth Proportional to 843,313.61, 1,163,800.28 and 461,340.39

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Solution

The fourth proportional to 843,313.61, 1,163,800.28 and 461,340.39 is: 636,664.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    843,313.61 : 1,163,800.28 = 461,340.39 : x
  2. Step 2: Convert to fraction form
    843,313.61/1,163,800.28 = 461,340.39/x
  3. Step 3: Cross multiply
    843,313.61x = 1,163,800.28 × 461,340.39
  4. Step 4: Simplify right side
    843,313.61x = 536,908,069,238.31
  5. Step 5: Solve for x
    x = 536,908,069,238.31/843,313.61
  6. Step 6: Final answer
    x = 636,664.78

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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.