Home / 789,962.50-1,090,148.97-432,266.50

Finding the Fourth Proportional to 789,962.50, 1,090,148.97 and 432,266.50

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Solution

The fourth proportional to 789,962.50, 1,090,148.97 and 432,266.50 is: 596,528.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    789,962.50 : 1,090,148.97 = 432,266.50 : x
  2. Step 2: Convert to fraction form
    789,962.50/1,090,148.97 = 432,266.50/x
  3. Step 3: Cross multiply
    789,962.50x = 1,090,148.97 × 432,266.50
  4. Step 4: Simplify right side
    789,962.50x = 471,234,879,740.51
  5. Step 5: Solve for x
    x = 471,234,879,740.51/789,962.50
  6. Step 6: Final answer
    x = 596,528.16

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.