Home / 731,661.65-1,097,466.10-191,913.62

Finding the Fourth Proportional to 731,661.65, 1,097,466.10 and 191,913.62

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Solution

The fourth proportional to 731,661.65, 1,097,466.10 and 191,913.62 is: 287,863.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    731,661.65 : 1,097,466.10 = 191,913.62 : x
  2. Step 2: Convert to fraction form
    731,661.65/1,097,466.10 = 191,913.62/x
  3. Step 3: Cross multiply
    731,661.65x = 1,097,466.10 × 191,913.62
  4. Step 4: Simplify right side
    731,661.65x = 210,618,686,111.17
  5. Step 5: Solve for x
    x = 210,618,686,111.17/731,661.65
  6. Step 6: Final answer
    x = 287,863.51

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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.