Home / 841,581.59-1,263,159.71-415,598.42

Finding the Fourth Proportional to 841,581.59, 1,263,159.71 and 415,598.42

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Solution

The fourth proportional to 841,581.59, 1,263,159.71 and 415,598.42 is: 623,786.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    841,581.59 : 1,263,159.71 = 415,598.42 : x
  2. Step 2: Convert to fraction form
    841,581.59/1,263,159.71 = 415,598.42/x
  3. Step 3: Cross multiply
    841,581.59x = 1,263,159.71 × 415,598.42
  4. Step 4: Simplify right side
    841,581.59x = 524,967,171,289.87
  5. Step 5: Solve for x
    x = 524,967,171,289.87/841,581.59
  6. Step 6: Final answer
    x = 623,786.43

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.