Home / 1,177,958.63-1,625,405.83-661,613.60

Finding the Fourth Proportional to 1,177,958.63, 1,625,405.83 and 661,613.60

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Solution

The fourth proportional to 1,177,958.63, 1,625,405.83 and 661,613.60 is: 912,927.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,177,958.63 : 1,625,405.83 = 661,613.60 : x
  2. Step 2: Convert to fraction form
    1,177,958.63/1,625,405.83 = 661,613.60/x
  3. Step 3: Cross multiply
    1,177,958.63x = 1,625,405.83 × 661,613.60
  4. Step 4: Simplify right side
    1,177,958.63x = 1,075,390,607,537.82
  5. Step 5: Solve for x
    x = 1,075,390,607,537.82/1,177,958.63
  6. Step 6: Final answer
    x = 912,927.32

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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.