Home / 476,112.51-656,217-453,690.27

Finding the Fourth Proportional to 476,112.51, 656,217 and 453,690.27

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Solution

The fourth proportional to 476,112.51, 656,217 and 453,690.27 is: 625,312.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    476,112.51 : 656,217 = 453,690.27 : x
  2. Step 2: Convert to fraction form
    476,112.51/656,217 = 453,690.27/x
  3. Step 3: Cross multiply
    476,112.51x = 656,217 × 453,690.27
  4. Step 4: Simplify right side
    476,112.51x = 297,719,267,908.59
  5. Step 5: Solve for x
    x = 297,719,267,908.59/476,112.51
  6. Step 6: Final answer
    x = 625,312.84

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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.