Home / 860,117.66-1,186,992.84-472,962.46

Finding the Fourth Proportional to 860,117.66, 1,186,992.84 and 472,962.46

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Solution

The fourth proportional to 860,117.66, 1,186,992.84 and 472,962.46 is: 652,704.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,117.66 : 1,186,992.84 = 472,962.46 : x
  2. Step 2: Convert to fraction form
    860,117.66/1,186,992.84 = 472,962.46/x
  3. Step 3: Cross multiply
    860,117.66x = 1,186,992.84 × 472,962.46
  4. Step 4: Simplify right side
    860,117.66x = 561,403,053,608.79
  5. Step 5: Solve for x
    x = 561,403,053,608.79/860,117.66
  6. Step 6: Final answer
    x = 652,704.95

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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.