Home / 868,091.63-1,198,381.80-578,185.65

Finding the Fourth Proportional to 868,091.63, 1,198,381.80 and 578,185.65

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Solution

The fourth proportional to 868,091.63, 1,198,381.80 and 578,185.65 is: 798,172.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,091.63 : 1,198,381.80 = 578,185.65 : x
  2. Step 2: Convert to fraction form
    868,091.63/1,198,381.80 = 578,185.65/x
  3. Step 3: Cross multiply
    868,091.63x = 1,198,381.80 × 578,185.65
  4. Step 4: Simplify right side
    868,091.63x = 692,887,159,981.17
  5. Step 5: Solve for x
    x = 692,887,159,981.17/868,091.63
  6. Step 6: Final answer
    x = 798,172.84

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Double scale
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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.