Home / 480,505.15-663,038.85-265,615.39

Finding the Fourth Proportional to 480,505.15, 663,038.85 and 265,615.39

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Solution

The fourth proportional to 480,505.15, 663,038.85 and 265,615.39 is: 366,517.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,505.15 : 663,038.85 = 265,615.39 : x
  2. Step 2: Convert to fraction form
    480,505.15/663,038.85 = 265,615.39/x
  3. Step 3: Cross multiply
    480,505.15x = 663,038.85 × 265,615.39
  4. Step 4: Simplify right side
    480,505.15x = 176,113,322,727.90
  5. Step 5: Solve for x
    x = 176,113,322,727.90/480,505.15
  6. Step 6: Final answer
    x = 366,517.03

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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.