Home / 620,844.47-856,572.82-362,535.08

Finding the Fourth Proportional to 620,844.47, 856,572.82 and 362,535.08

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Solution

The fourth proportional to 620,844.47, 856,572.82 and 362,535.08 is: 500,185.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    620,844.47 : 856,572.82 = 362,535.08 : x
  2. Step 2: Convert to fraction form
    620,844.47/856,572.82 = 362,535.08/x
  3. Step 3: Cross multiply
    620,844.47x = 856,572.82 × 362,535.08
  4. Step 4: Simplify right side
    620,844.47x = 310,537,693,994.07
  5. Step 5: Solve for x
    x = 310,537,693,994.07/620,844.47
  6. Step 6: Final answer
    x = 500,185.97

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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.