Home / 772,191.84-1,157,007.60-546,433.68

Finding the Fourth Proportional to 772,191.84, 1,157,007.60 and 546,433.68

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Solution

The fourth proportional to 772,191.84, 1,157,007.60 and 546,433.68 is: 818,744.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,191.84 : 1,157,007.60 = 546,433.68 : x
  2. Step 2: Convert to fraction form
    772,191.84/1,157,007.60 = 546,433.68/x
  3. Step 3: Cross multiply
    772,191.84x = 1,157,007.60 × 546,433.68
  4. Step 4: Simplify right side
    772,191.84x = 632,227,920,655.97
  5. Step 5: Solve for x
    x = 632,227,920,655.97/772,191.84
  6. Step 6: Final answer
    x = 818,744.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.