Home / 935,783.60-1,403,675.40-515,879.60

Finding the Fourth Proportional to 935,783.60, 1,403,675.40 and 515,879.60

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Solution

The fourth proportional to 935,783.60, 1,403,675.40 and 515,879.60 is: 773,819.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,783.60 : 1,403,675.40 = 515,879.60 : x
  2. Step 2: Convert to fraction form
    935,783.60/1,403,675.40 = 515,879.60/x
  3. Step 3: Cross multiply
    935,783.60x = 1,403,675.40 × 515,879.60
  4. Step 4: Simplify right side
    935,783.60x = 724,127,503,881.84
  5. Step 5: Solve for x
    x = 724,127,503,881.84/935,783.60
  6. Step 6: Final answer
    x = 773,819.40

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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.