Home / 459,984.12-634,778.00-256,030.65

Finding the Fourth Proportional to 459,984.12, 634,778.00 and 256,030.65

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Solution

The fourth proportional to 459,984.12, 634,778.00 and 256,030.65 is: 353,322.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,984.12 : 634,778.00 = 256,030.65 : x
  2. Step 2: Convert to fraction form
    459,984.12/634,778.00 = 256,030.65/x
  3. Step 3: Cross multiply
    459,984.12x = 634,778.00 × 256,030.65
  4. Step 4: Simplify right side
    459,984.12x = 162,522,623,625.66
  5. Step 5: Solve for x
    x = 162,522,623,625.66/459,984.12
  6. Step 6: Final answer
    x = 353,322.25

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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.