Home / 806,130.80-1,209,196.20-681,714.80

Finding the Fourth Proportional to 806,130.80, 1,209,196.20 and 681,714.80

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Solution

The fourth proportional to 806,130.80, 1,209,196.20 and 681,714.80 is: 1,022,572.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    806,130.80 : 1,209,196.20 = 681,714.80 : x
  2. Step 2: Convert to fraction form
    806,130.80/1,209,196.20 = 681,714.80/x
  3. Step 3: Cross multiply
    806,130.80x = 1,209,196.20 × 681,714.80
  4. Step 4: Simplify right side
    806,130.80x = 824,326,945,643.76
  5. Step 5: Solve for x
    x = 824,326,945,643.76/806,130.80
  6. Step 6: Final answer
    x = 1,022,572.20

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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.