Home / 935,277.12-1,290,681.87-505,557.26

Finding the Fourth Proportional to 935,277.12, 1,290,681.87 and 505,557.26

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Solution

The fourth proportional to 935,277.12, 1,290,681.87 and 505,557.26 is: 697,668.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,277.12 : 1,290,681.87 = 505,557.26 : x
  2. Step 2: Convert to fraction form
    935,277.12/1,290,681.87 = 505,557.26/x
  3. Step 3: Cross multiply
    935,277.12x = 1,290,681.87 × 505,557.26
  4. Step 4: Simplify right side
    935,277.12x = 652,513,588,115.52
  5. Step 5: Solve for x
    x = 652,513,588,115.52/935,277.12
  6. Step 6: Final answer
    x = 697,668.71

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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.