Home / 860,116.16-1,186,990.77-472,960.96

Finding the Fourth Proportional to 860,116.16, 1,186,990.77 and 472,960.96

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Solution

The fourth proportional to 860,116.16, 1,186,990.77 and 472,960.96 is: 652,702.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,116.16 : 1,186,990.77 = 472,960.96 : x
  2. Step 2: Convert to fraction form
    860,116.16/1,186,990.77 = 472,960.96/x
  3. Step 3: Cross multiply
    860,116.16x = 1,186,990.77 × 472,960.96
  4. Step 4: Simplify right side
    860,116.16x = 561,400,294,090.34
  5. Step 5: Solve for x
    x = 561,400,294,090.34/860,116.16
  6. Step 6: Final answer
    x = 652,702.88

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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.