Home / 790,711.85-1,091,159.02-446,561.89

Finding the Fourth Proportional to 790,711.85, 1,091,159.02 and 446,561.89

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Solution

The fourth proportional to 790,711.85, 1,091,159.02 and 446,561.89 is: 616,242.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    790,711.85 : 1,091,159.02 = 446,561.89 : x
  2. Step 2: Convert to fraction form
    790,711.85/1,091,159.02 = 446,561.89/x
  3. Step 3: Cross multiply
    790,711.85x = 1,091,159.02 × 446,561.89
  4. Step 4: Simplify right side
    790,711.85x = 487,270,034,261.75
  5. Step 5: Solve for x
    x = 487,270,034,261.75/790,711.85
  6. Step 6: Final answer
    x = 616,242.23

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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.