Home / 623,922.60-935,883.90-545,190.60

Finding the Fourth Proportional to 623,922.60, 935,883.90 and 545,190.60

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Solution

The fourth proportional to 623,922.60, 935,883.90 and 545,190.60 is: 817,785.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    623,922.60 : 935,883.90 = 545,190.60 : x
  2. Step 2: Convert to fraction form
    623,922.60/935,883.90 = 545,190.60/x
  3. Step 3: Cross multiply
    623,922.60x = 935,883.90 × 545,190.60
  4. Step 4: Simplify right side
    623,922.60x = 510,235,104,971.34
  5. Step 5: Solve for x
    x = 510,235,104,971.34/623,922.60
  6. Step 6: Final answer
    x = 817,785.90

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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.