Home / 385,265.10-577,886.85-174,902.70

Finding the Fourth Proportional to 385,265.10, 577,886.85 and 174,902.70

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Solution

The fourth proportional to 385,265.10, 577,886.85 and 174,902.70 is: 262,349.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    385,265.10 : 577,886.85 = 174,902.70 : x
  2. Step 2: Convert to fraction form
    385,265.10/577,886.85 = 174,902.70/x
  3. Step 3: Cross multiply
    385,265.10x = 577,886.85 × 174,902.70
  4. Step 4: Simplify right side
    385,265.10x = 101,073,970,359.50
  5. Step 5: Solve for x
    x = 101,073,970,359.50/385,265.10
  6. Step 6: Final answer
    x = 262,349.15

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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.