Home / 985,278.58-1,359,699.57-577,282.78

Finding the Fourth Proportional to 985,278.58, 1,359,699.57 and 577,282.78

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Solution

The fourth proportional to 985,278.58, 1,359,699.57 and 577,282.78 is: 796,659.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,278.58 : 1,359,699.57 = 577,282.78 : x
  2. Step 2: Convert to fraction form
    985,278.58/1,359,699.57 = 577,282.78/x
  3. Step 3: Cross multiply
    985,278.58x = 1,359,699.57 × 577,282.78
  4. Step 4: Simplify right side
    985,278.58x = 784,931,147,734.41
  5. Step 5: Solve for x
    x = 784,931,147,734.41/985,278.58
  6. Step 6: Final answer
    x = 796,659.10

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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.