Home / 1,510,683.67-2,266,100.81-431,356.35

Finding the Fourth Proportional to 1,510,683.67, 2,266,100.81 and 431,356.35

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Solution

The fourth proportional to 1,510,683.67, 2,266,100.81 and 431,356.35 is: 647,056.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,510,683.67 : 2,266,100.81 = 431,356.35 : x
  2. Step 2: Convert to fraction form
    1,510,683.67/2,266,100.81 = 431,356.35/x
  3. Step 3: Cross multiply
    1,510,683.67x = 2,266,100.81 × 431,356.35
  4. Step 4: Simplify right side
    1,510,683.67x = 977,496,974,133.64
  5. Step 5: Solve for x
    x = 977,496,974,133.64/1,510,683.67
  6. Step 6: Final answer
    x = 647,056.03

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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.