Home / 973,234.78-1,343,066.87-543,531.20

Finding the Fourth Proportional to 973,234.78, 1,343,066.87 and 543,531.20

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Solution

The fourth proportional to 973,234.78, 1,343,066.87 and 543,531.20 is: 750,074.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    973,234.78 : 1,343,066.87 = 543,531.20 : x
  2. Step 2: Convert to fraction form
    973,234.78/1,343,066.87 = 543,531.20/x
  3. Step 3: Cross multiply
    973,234.78x = 1,343,066.87 × 543,531.20
  4. Step 4: Simplify right side
    973,234.78x = 729,998,742,174.84
  5. Step 5: Solve for x
    x = 729,998,742,174.84/973,234.78
  6. Step 6: Final answer
    x = 750,074.66

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1.5x scale

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.