Home / 868,312.95-1,198,270.70-481,153.45

Finding the Fourth Proportional to 868,312.95, 1,198,270.70 and 481,153.45

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Solution

The fourth proportional to 868,312.95, 1,198,270.70 and 481,153.45 is: 663,991.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,312.95 : 1,198,270.70 = 481,153.45 : x
  2. Step 2: Convert to fraction form
    868,312.95/1,198,270.70 = 481,153.45/x
  3. Step 3: Cross multiply
    868,312.95x = 1,198,270.70 × 481,153.45
  4. Step 4: Simplify right side
    868,312.95x = 576,552,079,988.55
  5. Step 5: Solve for x
    x = 576,552,079,988.55/868,312.95
  6. Step 6: Final answer
    x = 663,991.11

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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.