Home / 459,313.05-633,904.43-255,384.21

Finding the Fourth Proportional to 459,313.05, 633,904.43 and 255,384.21

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Solution

The fourth proportional to 459,313.05, 633,904.43 and 255,384.21 is: 352,459.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    459,313.05 : 633,904.43 = 255,384.21 : x
  2. Step 2: Convert to fraction form
    459,313.05/633,904.43 = 255,384.21/x
  3. Step 3: Cross multiply
    459,313.05x = 633,904.43 × 255,384.21
  4. Step 4: Simplify right side
    459,313.05x = 161,889,182,071.05
  5. Step 5: Solve for x
    x = 161,889,182,071.05/459,313.05
  6. Step 6: Final answer
    x = 352,459.36

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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.