Home / 459,326.52-688,836.48-193,037.40

Finding the Fourth Proportional to 459,326.52, 688,836.48 and 193,037.40

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Solution

The fourth proportional to 459,326.52, 688,836.48 and 193,037.40 is: 289,491.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,326.52 : 688,836.48 = 193,037.40 : x
  2. Step 2: Convert to fraction form
    459,326.52/688,836.48 = 193,037.40/x
  3. Step 3: Cross multiply
    459,326.52x = 688,836.48 × 193,037.40
  4. Step 4: Simplify right side
    459,326.52x = 132,971,203,124.35
  5. Step 5: Solve for x
    x = 132,971,203,124.35/459,326.52
  6. Step 6: Final answer
    x = 289,491.67

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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.