Home / 786,291.87-1,179,439.02-239,189.13

Finding the Fourth Proportional to 786,291.87, 1,179,439.02 and 239,189.13

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Solution

The fourth proportional to 786,291.87, 1,179,439.02 and 239,189.13 is: 358,784.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,291.87 : 1,179,439.02 = 239,189.13 : x
  2. Step 2: Convert to fraction form
    786,291.87/1,179,439.02 = 239,189.13/x
  3. Step 3: Cross multiply
    786,291.87x = 1,179,439.02 × 239,189.13
  4. Step 4: Simplify right side
    786,291.87x = 282,108,993,081.85
  5. Step 5: Solve for x
    x = 282,108,993,081.85/786,291.87
  6. Step 6: Final answer
    x = 358,784.06

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Double scale
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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.