Home / 459,548.81-688,903.02-193,328.13

Finding the Fourth Proportional to 459,548.81, 688,903.02 and 193,328.13

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Solution

The fourth proportional to 459,548.81, 688,903.02 and 193,328.13 is: 289,815.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,548.81 : 688,903.02 = 193,328.13 : x
  2. Step 2: Convert to fraction form
    459,548.81/688,903.02 = 193,328.13/x
  3. Step 3: Cross multiply
    459,548.81x = 688,903.02 × 193,328.13
  4. Step 4: Simplify right side
    459,548.81x = 133,184,332,607.95
  5. Step 5: Solve for x
    x = 133,184,332,607.95/459,548.81
  6. Step 6: Final answer
    x = 289,815.42

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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.