Home / 935,488.46-1,290,977.20-505,771.64

Finding the Fourth Proportional to 935,488.46, 1,290,977.20 and 505,771.64

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Solution

The fourth proportional to 935,488.46, 1,290,977.20 and 505,771.64 is: 697,966.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,488.46 : 1,290,977.20 = 505,771.64 : x
  2. Step 2: Convert to fraction form
    935,488.46/1,290,977.20 = 505,771.64/x
  3. Step 3: Cross multiply
    935,488.46x = 1,290,977.20 × 505,771.64
  4. Step 4: Simplify right side
    935,488.46x = 652,939,655,646.61
  5. Step 5: Solve for x
    x = 652,939,655,646.61/935,488.46
  6. Step 6: Final answer
    x = 697,966.55

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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.