Home / 746,022.48-1,119,364.56-390,952.14

Finding the Fourth Proportional to 746,022.48, 1,119,364.56 and 390,952.14

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Solution

The fourth proportional to 746,022.48, 1,119,364.56 and 390,952.14 is: 586,601.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    746,022.48 : 1,119,364.56 = 390,952.14 : x
  2. Step 2: Convert to fraction form
    746,022.48/1,119,364.56 = 390,952.14/x
  3. Step 3: Cross multiply
    746,022.48x = 1,119,364.56 × 390,952.14
  4. Step 4: Simplify right side
    746,022.48x = 437,617,970,172.16
  5. Step 5: Solve for x
    x = 437,617,970,172.16/746,022.48
  6. Step 6: Final answer
    x = 586,601.59

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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.