Home / 459,966.86-689,901.75-123,041.53

Finding the Fourth Proportional to 459,966.86, 689,901.75 and 123,041.53

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Solution

The fourth proportional to 459,966.86, 689,901.75 and 123,041.53 is: 184,549.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,966.86 : 689,901.75 = 123,041.53 : x
  2. Step 2: Convert to fraction form
    459,966.86/689,901.75 = 123,041.53/x
  3. Step 3: Cross multiply
    459,966.86x = 689,901.75 × 123,041.53
  4. Step 4: Simplify right side
    459,966.86x = 84,886,566,869.68
  5. Step 5: Solve for x
    x = 84,886,566,869.68/459,966.86
  6. Step 6: Final answer
    x = 184,549.31

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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.