Home / 622,179.40-933,269.10-307,251.40

Finding the Fourth Proportional to 622,179.40, 933,269.10 and 307,251.40

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Solution

The fourth proportional to 622,179.40, 933,269.10 and 307,251.40 is: 460,877.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,179.40 : 933,269.10 = 307,251.40 : x
  2. Step 2: Convert to fraction form
    622,179.40/933,269.10 = 307,251.40/x
  3. Step 3: Cross multiply
    622,179.40x = 933,269.10 × 307,251.40
  4. Step 4: Simplify right side
    622,179.40x = 286,748,237,551.74
  5. Step 5: Solve for x
    x = 286,748,237,551.74/622,179.40
  6. Step 6: Final answer
    x = 460,877.10

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.