Home / 985,240.56-1,359,647.08-577,244.78

Finding the Fourth Proportional to 985,240.56, 1,359,647.08 and 577,244.78

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Solution

The fourth proportional to 985,240.56, 1,359,647.08 and 577,244.78 is: 796,606.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,240.56 : 1,359,647.08 = 577,244.78 : x
  2. Step 2: Convert to fraction form
    985,240.56/1,359,647.08 = 577,244.78/x
  3. Step 3: Cross multiply
    985,240.56x = 1,359,647.08 × 577,244.78
  4. Step 4: Simplify right side
    985,240.56x = 784,849,179,572.24
  5. Step 5: Solve for x
    x = 784,849,179,572.24/985,240.56
  6. Step 6: Final answer
    x = 796,606.65

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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.