Home / 478,226.15-716,551.89-334,146.59

Finding the Fourth Proportional to 478,226.15, 716,551.89 and 334,146.59

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Solution

The fourth proportional to 478,226.15, 716,551.89 and 334,146.59 is: 500,669.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    478,226.15 : 716,551.89 = 334,146.59 : x
  2. Step 2: Convert to fraction form
    478,226.15/716,551.89 = 334,146.59/x
  3. Step 3: Cross multiply
    478,226.15x = 716,551.89 × 334,146.59
  4. Step 4: Simplify right side
    478,226.15x = 239,433,367,018.80
  5. Step 5: Solve for x
    x = 239,433,367,018.80/478,226.15
  6. Step 6: Final answer
    x = 500,669.76

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.