Home / 712,670.10-983,111.82-440,651.04

Finding the Fourth Proportional to 712,670.10, 983,111.82 and 440,651.04

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Solution

The fourth proportional to 712,670.10, 983,111.82 and 440,651.04 is: 607,867.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    712,670.10 : 983,111.82 = 440,651.04 : x
  2. Step 2: Convert to fraction form
    712,670.10/983,111.82 = 440,651.04/x
  3. Step 3: Cross multiply
    712,670.10x = 983,111.82 × 440,651.04
  4. Step 4: Simplify right side
    712,670.10x = 433,209,245,919.29
  5. Step 5: Solve for x
    x = 433,209,245,919.29/712,670.10
  6. Step 6: Final answer
    x = 607,867.86

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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.