Home / 935,518.47-1,291,012.67-505,798.59

Finding the Fourth Proportional to 935,518.47, 1,291,012.67 and 505,798.59

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Solution

The fourth proportional to 935,518.47, 1,291,012.67 and 505,798.59 is: 698,000.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,518.47 : 1,291,012.67 = 505,798.59 : x
  2. Step 2: Convert to fraction form
    935,518.47/1,291,012.67 = 505,798.59/x
  3. Step 3: Cross multiply
    935,518.47x = 1,291,012.67 × 505,798.59
  4. Step 4: Simplify right side
    935,518.47x = 652,992,385,629.14
  5. Step 5: Solve for x
    x = 652,992,385,629.14/935,518.47
  6. Step 6: Final answer
    x = 698,000.53

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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.