Home / 860,459.16-1,187,462.40-473,290.92

Finding the Fourth Proportional to 860,459.16, 1,187,462.40 and 473,290.92

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Solution

The fourth proportional to 860,459.16, 1,187,462.40 and 473,290.92 is: 653,157.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,459.16 : 1,187,462.40 = 473,290.92 : x
  2. Step 2: Convert to fraction form
    860,459.16/1,187,462.40 = 473,290.92/x
  3. Step 3: Cross multiply
    860,459.16x = 1,187,462.40 × 473,290.92
  4. Step 4: Simplify right side
    860,459.16x = 562,015,171,761.41
  5. Step 5: Solve for x
    x = 562,015,171,761.41/860,459.16
  6. Step 6: Final answer
    x = 653,157.29

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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.