Home / 712,830.24-983,732.85-406,956.42

Finding the Fourth Proportional to 712,830.24, 983,732.85 and 406,956.42

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Solution

The fourth proportional to 712,830.24, 983,732.85 and 406,956.42 is: 561,615.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,830.24 : 983,732.85 = 406,956.42 : x
  2. Step 2: Convert to fraction form
    712,830.24/983,732.85 = 406,956.42/x
  3. Step 3: Cross multiply
    712,830.24x = 983,732.85 × 406,956.42
  4. Step 4: Simplify right side
    712,830.24x = 400,336,398,872.40
  5. Step 5: Solve for x
    x = 400,336,398,872.40/712,830.24
  6. Step 6: Final answer
    x = 561,615.34

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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.