Home / 935,504.67-1,290,996.12-505,784.69

Finding the Fourth Proportional to 935,504.67, 1,290,996.12 and 505,784.69

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Solution

The fourth proportional to 935,504.67, 1,290,996.12 and 505,784.69 is: 697,982.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,504.67 : 1,290,996.12 = 505,784.69 : x
  2. Step 2: Convert to fraction form
    935,504.67/1,290,996.12 = 505,784.69/x
  3. Step 3: Cross multiply
    935,504.67x = 1,290,996.12 × 505,784.69
  4. Step 4: Simplify right side
    935,504.67x = 652,966,072,345.40
  5. Step 5: Solve for x
    x = 652,966,072,345.40/935,504.67
  6. Step 6: Final answer
    x = 697,982.70

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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.