Home / 868,971.06-1,199,113.92-486,924.03

Finding the Fourth Proportional to 868,971.06, 1,199,113.92 and 486,924.03

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Solution

The fourth proportional to 868,971.06, 1,199,113.92 and 486,924.03 is: 671,918.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,971.06 : 1,199,113.92 = 486,924.03 : x
  2. Step 2: Convert to fraction form
    868,971.06/1,199,113.92 = 486,924.03/x
  3. Step 3: Cross multiply
    868,971.06x = 1,199,113.92 × 486,924.03
  4. Step 4: Simplify right side
    868,971.06x = 583,877,382,355.50
  5. Step 5: Solve for x
    x = 583,877,382,355.50/868,971.06
  6. Step 6: Final answer
    x = 671,918.10

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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.