Home / 860,252.16-1,187,214.48-516,100.98

Finding the Fourth Proportional to 860,252.16, 1,187,214.48 and 516,100.98

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Solution

The fourth proportional to 860,252.16, 1,187,214.48 and 516,100.98 is: 712,259.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,252.16 : 1,187,214.48 = 516,100.98 : x
  2. Step 2: Convert to fraction form
    860,252.16/1,187,214.48 = 516,100.98/x
  3. Step 3: Cross multiply
    860,252.16x = 1,187,214.48 × 516,100.98
  4. Step 4: Simplify right side
    860,252.16x = 612,722,556,598.19
  5. Step 5: Solve for x
    x = 612,722,556,598.19/860,252.16
  6. Step 6: Final answer
    x = 712,259.25

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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.