Home / 762,575.77-1,052,355.81-423,044.02

Finding the Fourth Proportional to 762,575.77, 1,052,355.81 and 423,044.02

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Solution

The fourth proportional to 762,575.77, 1,052,355.81 and 423,044.02 is: 583,801.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,575.77 : 1,052,355.81 = 423,044.02 : x
  2. Step 2: Convert to fraction form
    762,575.77/1,052,355.81 = 423,044.02/x
  3. Step 3: Cross multiply
    762,575.77x = 1,052,355.81 × 423,044.02
  4. Step 4: Simplify right side
    762,575.77x = 445,192,832,332.76
  5. Step 5: Solve for x
    x = 445,192,832,332.76/762,575.77
  6. Step 6: Final answer
    x = 583,801.44

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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.