Home / 763,784.88-1,053,884.16-441,376.80

Finding the Fourth Proportional to 763,784.88, 1,053,884.16 and 441,376.80

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Solution

The fourth proportional to 763,784.88, 1,053,884.16 and 441,376.80 is: 609,019.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,784.88 : 1,053,884.16 = 441,376.80 : x
  2. Step 2: Convert to fraction form
    763,784.88/1,053,884.16 = 441,376.80/x
  3. Step 3: Cross multiply
    763,784.88x = 1,053,884.16 × 441,376.80
  4. Step 4: Simplify right side
    763,784.88x = 465,160,018,111.49
  5. Step 5: Solve for x
    x = 465,160,018,111.49/763,784.88
  6. Step 6: Final answer
    x = 609,019.67

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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.