Home / 786,479.16-1,179,718.42-195,503.16

Finding the Fourth Proportional to 786,479.16, 1,179,718.42 and 195,503.16

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Solution

The fourth proportional to 786,479.16, 1,179,718.42 and 195,503.16 is: 293,254.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,479.16 : 1,179,718.42 = 195,503.16 : x
  2. Step 2: Convert to fraction form
    786,479.16/1,179,718.42 = 195,503.16/x
  3. Step 3: Cross multiply
    786,479.16x = 1,179,718.42 × 195,503.16
  4. Step 4: Simplify right side
    786,479.16x = 230,638,679,020.21
  5. Step 5: Solve for x
    x = 230,638,679,020.21/786,479.16
  6. Step 6: Final answer
    x = 293,254.66

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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.