Home / 855,632.73-1,180,787.09-468,441.62

Finding the Fourth Proportional to 855,632.73, 1,180,787.09 and 468,441.62

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Solution

The fourth proportional to 855,632.73, 1,180,787.09 and 468,441.62 is: 646,457.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    855,632.73 : 1,180,787.09 = 468,441.62 : x
  2. Step 2: Convert to fraction form
    855,632.73/1,180,787.09 = 468,441.62/x
  3. Step 3: Cross multiply
    855,632.73x = 1,180,787.09 × 468,441.62
  4. Step 4: Simplify right side
    855,632.73x = 553,129,811,410.75
  5. Step 5: Solve for x
    x = 553,129,811,410.75/855,632.73
  6. Step 6: Final answer
    x = 646,457.05

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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.