Home / 786,116.16-1,179,174.24-195,140.16

Finding the Fourth Proportional to 786,116.16, 1,179,174.24 and 195,140.16

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Solution

The fourth proportional to 786,116.16, 1,179,174.24 and 195,140.16 is: 292,710.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,116.16 : 1,179,174.24 = 195,140.16 : x
  2. Step 2: Convert to fraction form
    786,116.16/1,179,174.24 = 195,140.16/x
  3. Step 3: Cross multiply
    786,116.16x = 1,179,174.24 × 195,140.16
  4. Step 4: Simplify right side
    786,116.16x = 230,104,249,861.48
  5. Step 5: Solve for x
    x = 230,104,249,861.48/786,116.16
  6. Step 6: Final answer
    x = 292,710.24

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Half scale
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Double scale
Find fourth proportional to 786,117.16, 1,179,175.74 and 195,141.16
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.