Home / 356,928.59-534,340.99-312,641.84

Finding the Fourth Proportional to 356,928.59, 534,340.99 and 312,641.84

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Solution

The fourth proportional to 356,928.59, 534,340.99 and 312,641.84 is: 468,041.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    356,928.59 : 534,340.99 = 312,641.84 : x
  2. Step 2: Convert to fraction form
    356,928.59/534,340.99 = 312,641.84/x
  3. Step 3: Cross multiply
    356,928.59x = 534,340.99 × 312,641.84
  4. Step 4: Simplify right side
    356,928.59x = 167,057,350,301.02
  5. Step 5: Solve for x
    x = 167,057,350,301.02/356,928.59
  6. Step 6: Final answer
    x = 468,041.38

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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.