Home / 746,022.51-1,119,364.55-390,952.13

Finding the Fourth Proportional to 746,022.51, 1,119,364.55 and 390,952.13

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Solution

The fourth proportional to 746,022.51, 1,119,364.55 and 390,952.13 is: 586,601.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,022.51 : 1,119,364.55 = 390,952.13 : x
  2. Step 2: Convert to fraction form
    746,022.51/1,119,364.55 = 390,952.13/x
  3. Step 3: Cross multiply
    746,022.51x = 1,119,364.55 × 390,952.13
  4. Step 4: Simplify right side
    746,022.51x = 437,617,947,517.41
  5. Step 5: Solve for x
    x = 437,617,947,517.41/746,022.51
  6. Step 6: Final answer
    x = 586,601.53

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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.