Home / 691,115.60-1,036,673.40-651,749.60

Finding the Fourth Proportional to 691,115.60, 1,036,673.40 and 651,749.60

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Solution

The fourth proportional to 691,115.60, 1,036,673.40 and 651,749.60 is: 977,624.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,115.60 : 1,036,673.40 = 651,749.60 : x
  2. Step 2: Convert to fraction form
    691,115.60/1,036,673.40 = 651,749.60/x
  3. Step 3: Cross multiply
    691,115.60x = 1,036,673.40 × 651,749.60
  4. Step 4: Simplify right side
    691,115.60x = 675,651,473,780.64
  5. Step 5: Solve for x
    x = 675,651,473,780.64/691,115.60
  6. Step 6: Final answer
    x = 977,624.40

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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.