Home / 385,212.34-578,047.02-174,847.24

Finding the Fourth Proportional to 385,212.34, 578,047.02 and 174,847.24

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Solution

The fourth proportional to 385,212.34, 578,047.02 and 174,847.24 is: 262,374.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,212.34 : 578,047.02 = 174,847.24 : x
  2. Step 2: Convert to fraction form
    385,212.34/578,047.02 = 174,847.24/x
  3. Step 3: Cross multiply
    385,212.34x = 578,047.02 × 174,847.24
  4. Step 4: Simplify right side
    385,212.34x = 101,069,926,037.23
  5. Step 5: Solve for x
    x = 101,069,926,037.23/385,212.34
  6. Step 6: Final answer
    x = 262,374.58

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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.