Home / 985,271.58-1,359,689.91-577,275.78

Finding the Fourth Proportional to 985,271.58, 1,359,689.91 and 577,275.78

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Solution

The fourth proportional to 985,271.58, 1,359,689.91 and 577,275.78 is: 796,649.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    985,271.58 : 1,359,689.91 = 577,275.78 : x
  2. Step 2: Convert to fraction form
    985,271.58/1,359,689.91 = 577,275.78/x
  3. Step 3: Cross multiply
    985,271.58x = 1,359,689.91 × 577,275.78
  4. Step 4: Simplify right side
    985,271.58x = 784,916,053,353.38
  5. Step 5: Solve for x
    x = 784,916,053,353.38/985,271.58
  6. Step 6: Final answer
    x = 796,649.44

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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.