Home / 763,650.60-1,053,952.74-549,499.56

Finding the Fourth Proportional to 763,650.60, 1,053,952.74 and 549,499.56

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Solution

The fourth proportional to 763,650.60, 1,053,952.74 and 549,499.56 is: 758,392.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    763,650.60 : 1,053,952.74 = 549,499.56 : x
  2. Step 2: Convert to fraction form
    763,650.60/1,053,952.74 = 549,499.56/x
  3. Step 3: Cross multiply
    763,650.60x = 1,053,952.74 × 549,499.56
  4. Step 4: Simplify right side
    763,650.60x = 579,146,566,890.79
  5. Step 5: Solve for x
    x = 579,146,566,890.79/763,650.60
  6. Step 6: Final answer
    x = 758,392.08

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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.