Home / 876,339.81-1,209,404.93-494,227.17

Finding the Fourth Proportional to 876,339.81, 1,209,404.93 and 494,227.17

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Solution

The fourth proportional to 876,339.81, 1,209,404.93 and 494,227.17 is: 682,065.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,339.81 : 1,209,404.93 = 494,227.17 : x
  2. Step 2: Convert to fraction form
    876,339.81/1,209,404.93 = 494,227.17/x
  3. Step 3: Cross multiply
    876,339.81x = 1,209,404.93 × 494,227.17
  4. Step 4: Simplify right side
    876,339.81x = 597,720,773,466.81
  5. Step 5: Solve for x
    x = 597,720,773,466.81/876,339.81
  6. Step 6: Final answer
    x = 682,065.07

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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.