Home / 934,925.80-1,290,196.96-505,205.76

Finding the Fourth Proportional to 934,925.80, 1,290,196.96 and 505,205.76

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Solution

The fourth proportional to 934,925.80, 1,290,196.96 and 505,205.76 is: 697,183.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,925.80 : 1,290,196.96 = 505,205.76 : x
  2. Step 2: Convert to fraction form
    934,925.80/1,290,196.96 = 505,205.76/x
  3. Step 3: Cross multiply
    934,925.80x = 1,290,196.96 × 505,205.76
  4. Step 4: Simplify right side
    934,925.80x = 651,814,935,726.49
  5. Step 5: Solve for x
    x = 651,814,935,726.49/934,925.80
  6. Step 6: Final answer
    x = 697,183.60

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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.