Home / 786,089.16-1,179,133.74-195,113.16

Finding the Fourth Proportional to 786,089.16, 1,179,133.74 and 195,113.16

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Solution

The fourth proportional to 786,089.16, 1,179,133.74 and 195,113.16 is: 292,669.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,089.16 : 1,179,133.74 = 195,113.16 : x
  2. Step 2: Convert to fraction form
    786,089.16/1,179,133.74 = 195,113.16/x
  3. Step 3: Cross multiply
    786,089.16x = 1,179,133.74 × 195,113.16
  4. Step 4: Simplify right side
    786,089.16x = 230,064,510,074.02
  5. Step 5: Solve for x
    x = 230,064,510,074.02/786,089.16
  6. Step 6: Final answer
    x = 292,669.74

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Double scale
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Similar ratio
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.