Home / 479,990.10-662,382.18-265,145.16

Finding the Fourth Proportional to 479,990.10, 662,382.18 and 265,145.16

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Solution

The fourth proportional to 479,990.10, 662,382.18 and 265,145.16 is: 365,898.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    479,990.10 : 662,382.18 = 265,145.16 : x
  2. Step 2: Convert to fraction form
    479,990.10/662,382.18 = 265,145.16/x
  3. Step 3: Cross multiply
    479,990.10x = 662,382.18 × 265,145.16
  4. Step 4: Simplify right side
    479,990.10x = 175,627,429,097.25
  5. Step 5: Solve for x
    x = 175,627,429,097.25/479,990.10
  6. Step 6: Final answer
    x = 365,898.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.