Home / 763,687.56-1,053,184.58-519,038.76

Finding the Fourth Proportional to 763,687.56, 1,053,184.58 and 519,038.76

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Solution

The fourth proportional to 763,687.56, 1,053,184.58 and 519,038.76 is: 715,794.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,687.56 : 1,053,184.58 = 519,038.76 : x
  2. Step 2: Convert to fraction form
    763,687.56/1,053,184.58 = 519,038.76/x
  3. Step 3: Cross multiply
    763,687.56x = 1,053,184.58 × 519,038.76
  4. Step 4: Simplify right side
    763,687.56x = 546,643,618,454.32
  5. Step 5: Solve for x
    x = 546,643,618,454.32/763,687.56
  6. Step 6: Final answer
    x = 715,794.84

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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.