Home / 930,800.18-1,284,364.32-522,823.88

Finding the Fourth Proportional to 930,800.18, 1,284,364.32 and 522,823.88

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Solution

The fourth proportional to 930,800.18, 1,284,364.32 and 522,823.88 is: 721,418.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,800.18 : 1,284,364.32 = 522,823.88 : x
  2. Step 2: Convert to fraction form
    930,800.18/1,284,364.32 = 522,823.88/x
  3. Step 3: Cross multiply
    930,800.18x = 1,284,364.32 × 522,823.88
  4. Step 4: Simplify right side
    930,800.18x = 671,496,337,115.96
  5. Step 5: Solve for x
    x = 671,496,337,115.96/930,800.18
  6. Step 6: Final answer
    x = 721,418.36

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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.