Home / 514,291.86-771,488.55-177,288.17

Finding the Fourth Proportional to 514,291.86, 771,488.55 and 177,288.17

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Solution

The fourth proportional to 514,291.86, 771,488.55 and 177,288.17 is: 265,949.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,291.86 : 771,488.55 = 177,288.17 : x
  2. Step 2: Convert to fraction form
    514,291.86/771,488.55 = 177,288.17/x
  3. Step 3: Cross multiply
    514,291.86x = 771,488.55 × 177,288.17
  4. Step 4: Simplify right side
    514,291.86x = 136,775,789,348.01
  5. Step 5: Solve for x
    x = 136,775,789,348.01/514,291.86
  6. Step 6: Final answer
    x = 265,949.75

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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.