Home / 468,325.09-646,287.51-253,465.30

Finding the Fourth Proportional to 468,325.09, 646,287.51 and 253,465.30

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Solution

The fourth proportional to 468,325.09, 646,287.51 and 253,465.30 is: 349,781.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,325.09 : 646,287.51 = 253,465.30 : x
  2. Step 2: Convert to fraction form
    468,325.09/646,287.51 = 253,465.30/x
  3. Step 3: Cross multiply
    468,325.09x = 646,287.51 × 253,465.30
  4. Step 4: Simplify right side
    468,325.09x = 163,811,457,941.02
  5. Step 5: Solve for x
    x = 163,811,457,941.02/468,325.09
  6. Step 6: Final answer
    x = 349,781.51

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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.