Home / 591,263.60-887,114.10-191,917.40

Finding the Fourth Proportional to 591,263.60, 887,114.10 and 191,917.40

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Solution

The fourth proportional to 591,263.60, 887,114.10 and 191,917.40 is: 287,947.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    591,263.60 : 887,114.10 = 191,917.40 : x
  2. Step 2: Convert to fraction form
    591,263.60/887,114.10 = 191,917.40/x
  3. Step 3: Cross multiply
    591,263.60x = 887,114.10 × 191,917.40
  4. Step 4: Simplify right side
    591,263.60x = 170,252,631,575.34
  5. Step 5: Solve for x
    x = 170,252,631,575.34/591,263.60
  6. Step 6: Final answer
    x = 287,947.09

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Double scale
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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.