Home / 935,784.60-1,403,676.90-510,631.80

Finding the Fourth Proportional to 935,784.60, 1,403,676.90 and 510,631.80

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Solution

The fourth proportional to 935,784.60, 1,403,676.90 and 510,631.80 is: 765,947.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    935,784.60 : 1,403,676.90 = 510,631.80 : x
  2. Step 2: Convert to fraction form
    935,784.60/1,403,676.90 = 510,631.80/x
  3. Step 3: Cross multiply
    935,784.60x = 1,403,676.90 × 510,631.80
  4. Step 4: Simplify right side
    935,784.60x = 716,762,062,065.42
  5. Step 5: Solve for x
    x = 716,762,062,065.42/935,784.60
  6. Step 6: Final answer
    x = 765,947.70

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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.