Home / 762,157.59-1,051,788.04-417,970.83

Finding the Fourth Proportional to 762,157.59, 1,051,788.04 and 417,970.83

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Solution

The fourth proportional to 762,157.59, 1,051,788.04 and 417,970.83 is: 576,805.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,157.59 : 1,051,788.04 = 417,970.83 : x
  2. Step 2: Convert to fraction form
    762,157.59/1,051,788.04 = 417,970.83/x
  3. Step 3: Cross multiply
    762,157.59x = 1,051,788.04 × 417,970.83
  4. Step 4: Simplify right side
    762,157.59x = 439,616,720,062.87
  5. Step 5: Solve for x
    x = 439,616,720,062.87/762,157.59
  6. Step 6: Final answer
    x = 576,805.54

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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.