Home / 822,277.31-1,134,767.61-459,716.45

Finding the Fourth Proportional to 822,277.31, 1,134,767.61 and 459,716.45

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Solution

The fourth proportional to 822,277.31, 1,134,767.61 and 459,716.45 is: 634,422.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,277.31 : 1,134,767.61 = 459,716.45 : x
  2. Step 2: Convert to fraction form
    822,277.31/1,134,767.61 = 459,716.45/x
  3. Step 3: Cross multiply
    822,277.31x = 1,134,767.61 × 459,716.45
  4. Step 4: Simplify right side
    822,277.31x = 521,671,331,570.35
  5. Step 5: Solve for x
    x = 521,671,331,570.35/822,277.31
  6. Step 6: Final answer
    x = 634,422.63

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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.