Home / 760,153.11-1,137,958.02-459,724.92

Finding the Fourth Proportional to 760,153.11, 1,137,958.02 and 459,724.92

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Solution

The fourth proportional to 760,153.11, 1,137,958.02 and 459,724.92 is: 688,213.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    760,153.11 : 1,137,958.02 = 459,724.92 : x
  2. Step 2: Convert to fraction form
    760,153.11/1,137,958.02 = 459,724.92/x
  3. Step 3: Cross multiply
    760,153.11x = 1,137,958.02 × 459,724.92
  4. Step 4: Simplify right side
    760,153.11x = 523,147,659,707.86
  5. Step 5: Solve for x
    x = 523,147,659,707.86/760,153.11
  6. Step 6: Final answer
    x = 688,213.54

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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.