Home / 459,783.32-634,405.88-268,759.76

Finding the Fourth Proportional to 459,783.32, 634,405.88 and 268,759.76

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Solution

The fourth proportional to 459,783.32, 634,405.88 and 268,759.76 is: 370,832.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,783.32 : 634,405.88 = 268,759.76 : x
  2. Step 2: Convert to fraction form
    459,783.32/634,405.88 = 268,759.76/x
  3. Step 3: Cross multiply
    459,783.32x = 634,405.88 × 268,759.76
  4. Step 4: Simplify right side
    459,783.32x = 170,502,772,051.39
  5. Step 5: Solve for x
    x = 170,502,772,051.39/459,783.32
  6. Step 6: Final answer
    x = 370,832.88

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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.