Home / 816,376.40-1,126,593.16-458,680.40

Finding the Fourth Proportional to 816,376.40, 1,126,593.16 and 458,680.40

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Solution

The fourth proportional to 816,376.40, 1,126,593.16 and 458,680.40 is: 632,975.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,376.40 : 1,126,593.16 = 458,680.40 : x
  2. Step 2: Convert to fraction form
    816,376.40/1,126,593.16 = 458,680.40/x
  3. Step 3: Cross multiply
    816,376.40x = 1,126,593.16 × 458,680.40
  4. Step 4: Simplify right side
    816,376.40x = 516,746,201,266.06
  5. Step 5: Solve for x
    x = 516,746,201,266.06/816,376.40
  6. Step 6: Final answer
    x = 632,975.43

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.