Home / 860,198.40-1,186,387.20-537,292.80

Finding the Fourth Proportional to 860,198.40, 1,186,387.20 and 537,292.80

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Solution

The fourth proportional to 860,198.40, 1,186,387.20 and 537,292.80 is: 741,035.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    860,198.40 : 1,186,387.20 = 537,292.80 : x
  2. Step 2: Convert to fraction form
    860,198.40/1,186,387.20 = 537,292.80/x
  3. Step 3: Cross multiply
    860,198.40x = 1,186,387.20 × 537,292.80
  4. Step 4: Simplify right side
    860,198.40x = 637,437,300,572.16
  5. Step 5: Solve for x
    x = 637,437,300,572.16/860,198.40
  6. Step 6: Final answer
    x = 741,035.21

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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.