Home / 385,983.92-578,592.75-183,224.72

Finding the Fourth Proportional to 385,983.92, 578,592.75 and 183,224.72

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Solution

The fourth proportional to 385,983.92, 578,592.75 and 183,224.72 is: 274,655.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,983.92 : 578,592.75 = 183,224.72 : x
  2. Step 2: Convert to fraction form
    385,983.92/578,592.75 = 183,224.72/x
  3. Step 3: Cross multiply
    385,983.92x = 578,592.75 × 183,224.72
  4. Step 4: Simplify right side
    385,983.92x = 106,012,494,612.78
  5. Step 5: Solve for x
    x = 106,012,494,612.78/385,983.92
  6. Step 6: Final answer
    x = 274,655.21

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1.5x scale

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.