Home / 868,870.48-1,198,991.82-506,353.36

Finding the Fourth Proportional to 868,870.48, 1,198,991.82 and 506,353.36

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Solution

The fourth proportional to 868,870.48, 1,198,991.82 and 506,353.36 is: 698,738.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,870.48 : 1,198,991.82 = 506,353.36 : x
  2. Step 2: Convert to fraction form
    868,870.48/1,198,991.82 = 506,353.36/x
  3. Step 3: Cross multiply
    868,870.48x = 1,198,991.82 × 506,353.36
  4. Step 4: Simplify right side
    868,870.48x = 607,113,536,669.52
  5. Step 5: Solve for x
    x = 607,113,536,669.52/868,870.48
  6. Step 6: Final answer
    x = 698,738.82

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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.