Home / 771,528.69-1,066,741.29-675,760.63

Finding the Fourth Proportional to 771,528.69, 1,066,741.29 and 675,760.63

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Solution

The fourth proportional to 771,528.69, 1,066,741.29 and 675,760.63 is: 934,329.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,528.69 : 1,066,741.29 = 675,760.63 : x
  2. Step 2: Convert to fraction form
    771,528.69/1,066,741.29 = 675,760.63/x
  3. Step 3: Cross multiply
    771,528.69x = 1,066,741.29 × 675,760.63
  4. Step 4: Simplify right side
    771,528.69x = 720,861,766,177.41
  5. Step 5: Solve for x
    x = 720,861,766,177.41/771,528.69
  6. Step 6: Final answer
    x = 934,329.18

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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.