Home / 860,148.65-1,187,185.74-545,617.04

Finding the Fourth Proportional to 860,148.65, 1,187,185.74 and 545,617.04

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Solution

The fourth proportional to 860,148.65, 1,187,185.74 and 545,617.04 is: 753,066.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,148.65 : 1,187,185.74 = 545,617.04 : x
  2. Step 2: Convert to fraction form
    860,148.65/1,187,185.74 = 545,617.04/x
  3. Step 3: Cross multiply
    860,148.65x = 1,187,185.74 × 545,617.04
  4. Step 4: Simplify right side
    860,148.65x = 647,748,770,310.91
  5. Step 5: Solve for x
    x = 647,748,770,310.91/860,148.65
  6. Step 6: Final answer
    x = 753,066.08

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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.