Home / 691,106.10-1,036,659.15-651,740.10

Finding the Fourth Proportional to 691,106.10, 1,036,659.15 and 651,740.10

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Solution

The fourth proportional to 691,106.10, 1,036,659.15 and 651,740.10 is: 977,610.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,106.10 : 1,036,659.15 = 651,740.10 : x
  2. Step 2: Convert to fraction form
    691,106.10/1,036,659.15 = 651,740.10/x
  3. Step 3: Cross multiply
    691,106.10x = 1,036,659.15 × 651,740.10
  4. Step 4: Simplify right side
    691,106.10x = 675,632,338,086.92
  5. Step 5: Solve for x
    x = 675,632,338,086.92/691,106.10
  6. Step 6: Final answer
    x = 977,610.15

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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.