Home / 784,738.38-1,083,264.39-530,434.02

Finding the Fourth Proportional to 784,738.38, 1,083,264.39 and 530,434.02

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Solution

The fourth proportional to 784,738.38, 1,083,264.39 and 530,434.02 is: 732,218.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,738.38 : 1,083,264.39 = 530,434.02 : x
  2. Step 2: Convert to fraction form
    784,738.38/1,083,264.39 = 530,434.02/x
  3. Step 3: Cross multiply
    784,738.38x = 1,083,264.39 × 530,434.02
  4. Step 4: Simplify right side
    784,738.38x = 574,600,285,110.55
  5. Step 5: Solve for x
    x = 574,600,285,110.55/784,738.38
  6. Step 6: Final answer
    x = 732,218.91

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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.