Home / 806,644.20-1,209,966.30-540,532.20

Finding the Fourth Proportional to 806,644.20, 1,209,966.30 and 540,532.20

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Solution

The fourth proportional to 806,644.20, 1,209,966.30 and 540,532.20 is: 810,798.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,644.20 : 1,209,966.30 = 540,532.20 : x
  2. Step 2: Convert to fraction form
    806,644.20/1,209,966.30 = 540,532.20/x
  3. Step 3: Cross multiply
    806,644.20x = 1,209,966.30 × 540,532.20
  4. Step 4: Simplify right side
    806,644.20x = 654,025,746,064.86
  5. Step 5: Solve for x
    x = 654,025,746,064.86/806,644.20
  6. Step 6: Final answer
    x = 810,798.30

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Double scale
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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.