Home / 385,461.40-578,090.04-175,052.56

Finding the Fourth Proportional to 385,461.40, 578,090.04 and 175,052.56

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Solution

The fourth proportional to 385,461.40, 578,090.04 and 175,052.56 is: 262,532.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,461.40 : 578,090.04 = 175,052.56 : x
  2. Step 2: Convert to fraction form
    385,461.40/578,090.04 = 175,052.56/x
  3. Step 3: Cross multiply
    385,461.40x = 578,090.04 × 175,052.56
  4. Step 4: Simplify right side
    385,461.40x = 101,196,141,412.50
  5. Step 5: Solve for x
    x = 101,196,141,412.50/385,461.40
  6. Step 6: Final answer
    x = 262,532.49

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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.