Home / 459,327.52-688,837.98-193,038.40

Finding the Fourth Proportional to 459,327.52, 688,837.98 and 193,038.40

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Solution

The fourth proportional to 459,327.52, 688,837.98 and 193,038.40 is: 289,493.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,327.52 : 688,837.98 = 193,038.40 : x
  2. Step 2: Convert to fraction form
    459,327.52/688,837.98 = 193,038.40/x
  3. Step 3: Cross multiply
    459,327.52x = 688,837.98 × 193,038.40
  4. Step 4: Simplify right side
    459,327.52x = 132,972,181,518.43
  5. Step 5: Solve for x
    x = 132,972,181,518.43/459,327.52
  6. Step 6: Final answer
    x = 289,493.17

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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.