Home / 784,657.26-1,082,827.71-440,445.06

Finding the Fourth Proportional to 784,657.26, 1,082,827.71 and 440,445.06

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Solution

The fourth proportional to 784,657.26, 1,082,827.71 and 440,445.06 is: 607,814.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    784,657.26 : 1,082,827.71 = 440,445.06 : x
  2. Step 2: Convert to fraction form
    784,657.26/1,082,827.71 = 440,445.06/x
  3. Step 3: Cross multiply
    784,657.26x = 1,082,827.71 × 440,445.06
  4. Step 4: Simplify right side
    784,657.26x = 476,926,115,700.61
  5. Step 5: Solve for x
    x = 476,926,115,700.61/784,657.26
  6. Step 6: Final answer
    x = 607,814.57

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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.