Home / 810,124.47-1,117,966.46-447,571.71

Finding the Fourth Proportional to 810,124.47, 1,117,966.46 and 447,571.71

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Solution

The fourth proportional to 810,124.47, 1,117,966.46 and 447,571.71 is: 617,646.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    810,124.47 : 1,117,966.46 = 447,571.71 : x
  2. Step 2: Convert to fraction form
    810,124.47/1,117,966.46 = 447,571.71/x
  3. Step 3: Cross multiply
    810,124.47x = 1,117,966.46 × 447,571.71
  4. Step 4: Simplify right side
    810,124.47x = 500,370,157,986.99
  5. Step 5: Solve for x
    x = 500,370,157,986.99/810,124.47
  6. Step 6: Final answer
    x = 617,646.02

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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.