Home / 827,212.24-1,141,528.02-459,688.12

Finding the Fourth Proportional to 827,212.24, 1,141,528.02 and 459,688.12

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Solution

The fourth proportional to 827,212.24, 1,141,528.02 and 459,688.12 is: 634,355.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,212.24 : 1,141,528.02 = 459,688.12 : x
  2. Step 2: Convert to fraction form
    827,212.24/1,141,528.02 = 459,688.12/x
  3. Step 3: Cross multiply
    827,212.24x = 1,141,528.02 × 459,688.12
  4. Step 4: Simplify right side
    827,212.24x = 524,746,869,441.12
  5. Step 5: Solve for x
    x = 524,746,869,441.12/827,212.24
  6. Step 6: Final answer
    x = 634,355.78

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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.