Home / 930,230.70-1,283,702.01-522,335.76

Finding the Fourth Proportional to 930,230.70, 1,283,702.01 and 522,335.76

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Solution

The fourth proportional to 930,230.70, 1,283,702.01 and 522,335.76 is: 720,814.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,230.70 : 1,283,702.01 = 522,335.76 : x
  2. Step 2: Convert to fraction form
    930,230.70/1,283,702.01 = 522,335.76/x
  3. Step 3: Cross multiply
    930,230.70x = 1,283,702.01 × 522,335.76
  4. Step 4: Simplify right side
    930,230.70x = 670,523,465,006.88
  5. Step 5: Solve for x
    x = 670,523,465,006.88/930,230.70
  6. Step 6: Final answer
    x = 720,814.16

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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.