Home / 956,651.48-1,320,178.89-526,931.60

Finding the Fourth Proportional to 956,651.48, 1,320,178.89 and 526,931.60

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Solution

The fourth proportional to 956,651.48, 1,320,178.89 and 526,931.60 is: 727,165.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    956,651.48 : 1,320,178.89 = 526,931.60 : x
  2. Step 2: Convert to fraction form
    956,651.48/1,320,178.89 = 526,931.60/x
  3. Step 3: Cross multiply
    956,651.48x = 1,320,178.89 × 526,931.60
  4. Step 4: Simplify right side
    956,651.48x = 695,643,968,193.03
  5. Step 5: Solve for x
    x = 695,643,968,193.03/956,651.48
  6. Step 6: Final answer
    x = 727,165.52

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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.