Home / 762,828.84-1,052,710.02-423,302.76

Finding the Fourth Proportional to 762,828.84, 1,052,710.02 and 423,302.76

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Solution

The fourth proportional to 762,828.84, 1,052,710.02 and 423,302.76 is: 584,161.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,828.84 : 1,052,710.02 = 423,302.76 : x
  2. Step 2: Convert to fraction form
    762,828.84/1,052,710.02 = 423,302.76/x
  3. Step 3: Cross multiply
    762,828.84x = 1,052,710.02 × 423,302.76
  4. Step 4: Simplify right side
    762,828.84x = 445,615,056,945.66
  5. Step 5: Solve for x
    x = 445,615,056,945.66/762,828.84
  6. Step 6: Final answer
    x = 584,161.26

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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.