Home / 700,729.71-1,047,254.69-511,588.38

Finding the Fourth Proportional to 700,729.71, 1,047,254.69 and 511,588.38

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Solution

The fourth proportional to 700,729.71, 1,047,254.69 and 511,588.38 is: 764,579.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    700,729.71 : 1,047,254.69 = 511,588.38 : x
  2. Step 2: Convert to fraction form
    700,729.71/1,047,254.69 = 511,588.38/x
  3. Step 3: Cross multiply
    700,729.71x = 1,047,254.69 × 511,588.38
  4. Step 4: Simplify right side
    700,729.71x = 535,763,330,304.50
  5. Step 5: Solve for x
    x = 535,763,330,304.50/700,729.71
  6. Step 6: Final answer
    x = 764,579.16

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.