Home / 931,700.84-1,285,751.46-529,314.92

Finding the Fourth Proportional to 931,700.84, 1,285,751.46 and 529,314.92

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Solution

The fourth proportional to 931,700.84, 1,285,751.46 and 529,314.92 is: 730,457.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    931,700.84 : 1,285,751.46 = 529,314.92 : x
  2. Step 2: Convert to fraction form
    931,700.84/1,285,751.46 = 529,314.92/x
  3. Step 3: Cross multiply
    931,700.84x = 1,285,751.46 × 529,314.92
  4. Step 4: Simplify right side
    931,700.84x = 680,567,431,189.78
  5. Step 5: Solve for x
    x = 680,567,431,189.78/931,700.84
  6. Step 6: Final answer
    x = 730,457.03

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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.