Home / 792,690.51-1,189,036.59-371,966.79

Finding the Fourth Proportional to 792,690.51, 1,189,036.59 and 371,966.79

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Solution

The fourth proportional to 792,690.51, 1,189,036.59 and 371,966.79 is: 557,950.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    792,690.51 : 1,189,036.59 = 371,966.79 : x
  2. Step 2: Convert to fraction form
    792,690.51/1,189,036.59 = 371,966.79/x
  3. Step 3: Cross multiply
    792,690.51x = 1,189,036.59 × 371,966.79
  4. Step 4: Simplify right side
    792,690.51x = 442,282,123,574.85
  5. Step 5: Solve for x
    x = 442,282,123,574.85/792,690.51
  6. Step 6: Final answer
    x = 557,950.57

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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.