Home / 769,609.96-1,154,434.65-364,707.16

Finding the Fourth Proportional to 769,609.96, 1,154,434.65 and 364,707.16

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Solution

The fourth proportional to 769,609.96, 1,154,434.65 and 364,707.16 is: 547,070.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,609.96 : 1,154,434.65 = 364,707.16 : x
  2. Step 2: Convert to fraction form
    769,609.96/1,154,434.65 = 364,707.16/x
  3. Step 3: Cross multiply
    769,609.96x = 1,154,434.65 × 364,707.16
  4. Step 4: Simplify right side
    769,609.96x = 421,030,582,607.09
  5. Step 5: Solve for x
    x = 421,030,582,607.09/769,609.96
  6. Step 6: Final answer
    x = 547,070.08

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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.