Home / 860,188.32-1,187,135.46-473,071.91

Finding the Fourth Proportional to 860,188.32, 1,187,135.46 and 473,071.91

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Solution

The fourth proportional to 860,188.32, 1,187,135.46 and 473,071.91 is: 652,880.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,188.32 : 1,187,135.46 = 473,071.91 : x
  2. Step 2: Convert to fraction form
    860,188.32/1,187,135.46 = 473,071.91/x
  3. Step 3: Cross multiply
    860,188.32x = 1,187,135.46 × 473,071.91
  4. Step 4: Simplify right side
    860,188.32x = 561,600,433,555.25
  5. Step 5: Solve for x
    x = 561,600,433,555.25/860,188.32
  6. Step 6: Final answer
    x = 652,880.79

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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.