Home / 763,724.79-1,053,823.06-441,372.64

Finding the Fourth Proportional to 763,724.79, 1,053,823.06 and 441,372.64

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Solution

The fourth proportional to 763,724.79, 1,053,823.06 and 441,372.64 is: 609,026.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,724.79 : 1,053,823.06 = 441,372.64 : x
  2. Step 2: Convert to fraction form
    763,724.79/1,053,823.06 = 441,372.64/x
  3. Step 3: Cross multiply
    763,724.79x = 1,053,823.06 × 441,372.64
  4. Step 4: Simplify right side
    763,724.79x = 465,128,662,347.09
  5. Step 5: Solve for x
    x = 465,128,662,347.09/763,724.79
  6. Step 6: Final answer
    x = 609,026.53

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1.5x scale

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.