Home / 459,988.14-634,723.56-256,047.66

Finding the Fourth Proportional to 459,988.14, 634,723.56 and 256,047.66

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Solution

The fourth proportional to 459,988.14, 634,723.56 and 256,047.66 is: 353,312.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,988.14 : 634,723.56 = 256,047.66 : x
  2. Step 2: Convert to fraction form
    459,988.14/634,723.56 = 256,047.66/x
  3. Step 3: Cross multiply
    459,988.14x = 634,723.56 × 256,047.66
  4. Step 4: Simplify right side
    459,988.14x = 162,519,479,419.52
  5. Step 5: Solve for x
    x = 162,519,479,419.52/459,988.14
  6. Step 6: Final answer
    x = 353,312.32

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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.